Home / 7,605.27-11,398.59-4,321.13

Finding the Fourth Proportional to 7,605.27, 11,398.59 and 4,321.13

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Solution

The fourth proportional to 7,605.27, 11,398.59 and 4,321.13 is: 6,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.27 : 11,398.59 = 4,321.13 : x
  2. Step 2: Convert to fraction form
    7,605.27/11,398.59 = 4,321.13/x
  3. Step 3: Cross multiply
    7,605.27x = 11,398.59 × 4,321.13
  4. Step 4: Simplify right side
    7,605.27x = 49,254,732.21
  5. Step 5: Solve for x
    x = 49,254,732.21/7,605.27
  6. Step 6: Final answer
    x = 6,476.39

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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.