Home / 9,001.08-12,420.45-5,022.29

Finding the Fourth Proportional to 9,001.08, 12,420.45 and 5,022.29

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Solution

The fourth proportional to 9,001.08, 12,420.45 and 5,022.29 is: 6,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.08 : 12,420.45 = 5,022.29 : x
  2. Step 2: Convert to fraction form
    9,001.08/12,420.45 = 5,022.29/x
  3. Step 3: Cross multiply
    9,001.08x = 12,420.45 × 5,022.29
  4. Step 4: Simplify right side
    9,001.08x = 62,379,039.73
  5. Step 5: Solve for x
    x = 62,379,039.73/9,001.08
  6. Step 6: Final answer
    x = 6,930.17

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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.