Home / 4,403.12-6,618.36-2,770.16

Finding the Fourth Proportional to 4,403.12, 6,618.36 and 2,770.16

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Solution

The fourth proportional to 4,403.12, 6,618.36 and 2,770.16 is: 4,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.12 : 6,618.36 = 2,770.16 : x
  2. Step 2: Convert to fraction form
    4,403.12/6,618.36 = 2,770.16/x
  3. Step 3: Cross multiply
    4,403.12x = 6,618.36 × 2,770.16
  4. Step 4: Simplify right side
    4,403.12x = 18,333,916.14
  5. Step 5: Solve for x
    x = 18,333,916.14/4,403.12
  6. Step 6: Final answer
    x = 4,163.85

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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.