Home / 7,358.31-11,038.82-2,428.29

Finding the Fourth Proportional to 7,358.31, 11,038.82 and 2,428.29

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Solution

The fourth proportional to 7,358.31, 11,038.82 and 2,428.29 is: 3,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.31 : 11,038.82 = 2,428.29 : x
  2. Step 2: Convert to fraction form
    7,358.31/11,038.82 = 2,428.29/x
  3. Step 3: Cross multiply
    7,358.31x = 11,038.82 × 2,428.29
  4. Step 4: Simplify right side
    7,358.31x = 26,805,444.08
  5. Step 5: Solve for x
    x = 26,805,444.08/7,358.31
  6. Step 6: Final answer
    x = 3,642.88

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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.