Home / 7,435.13-11,157.01-3,331.13

Finding the Fourth Proportional to 7,435.13, 11,157.01 and 3,331.13

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Solution

The fourth proportional to 7,435.13, 11,157.01 and 3,331.13 is: 4,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.13 : 11,157.01 = 3,331.13 : x
  2. Step 2: Convert to fraction form
    7,435.13/11,157.01 = 3,331.13/x
  3. Step 3: Cross multiply
    7,435.13x = 11,157.01 × 3,331.13
  4. Step 4: Simplify right side
    7,435.13x = 37,165,386.61
  5. Step 5: Solve for x
    x = 37,165,386.61/7,435.13
  6. Step 6: Final answer
    x = 4,998.62

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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.