Home / 7,417.21-10,235.49-4,431.26

Finding the Fourth Proportional to 7,417.21, 10,235.49 and 4,431.26

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Solution

The fourth proportional to 7,417.21, 10,235.49 and 4,431.26 is: 6,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.21 : 10,235.49 = 4,431.26 : x
  2. Step 2: Convert to fraction form
    7,417.21/10,235.49 = 4,431.26/x
  3. Step 3: Cross multiply
    7,417.21x = 10,235.49 × 4,431.26
  4. Step 4: Simplify right side
    7,417.21x = 45,356,117.42
  5. Step 5: Solve for x
    x = 45,356,117.42/7,417.21
  6. Step 6: Final answer
    x = 6,114.98

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Half scale
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Double scale
Find fourth proportional to 7,418.21, 10,236.87 and 4,432.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.