Home / 4,431.93-6,647.89-1,100.19

Finding the Fourth Proportional to 4,431.93, 6,647.89 and 1,100.19

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Solution

The fourth proportional to 4,431.93, 6,647.89 and 1,100.19 is: 1,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.93 : 6,647.89 = 1,100.19 : x
  2. Step 2: Convert to fraction form
    4,431.93/6,647.89 = 1,100.19/x
  3. Step 3: Cross multiply
    4,431.93x = 6,647.89 × 1,100.19
  4. Step 4: Simplify right side
    4,431.93x = 7,313,942.10
  5. Step 5: Solve for x
    x = 7,313,942.10/4,431.93
  6. Step 6: Final answer
    x = 1,650.28

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,432.93, 6,649.39 and 1,101.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.