Home / 7,436.88-11,174.58-5,605.29

Finding the Fourth Proportional to 7,436.88, 11,174.58 and 5,605.29

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Solution

The fourth proportional to 7,436.88, 11,174.58 and 5,605.29 is: 8,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.88 : 11,174.58 = 5,605.29 : x
  2. Step 2: Convert to fraction form
    7,436.88/11,174.58 = 5,605.29/x
  3. Step 3: Cross multiply
    7,436.88x = 11,174.58 × 5,605.29
  4. Step 4: Simplify right side
    7,436.88x = 62,636,761.53
  5. Step 5: Solve for x
    x = 62,636,761.53/7,436.88
  6. Step 6: Final answer
    x = 8,422.45

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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.