Home / 7,389.31-11,083.95-2,195.17

Finding the Fourth Proportional to 7,389.31, 11,083.95 and 2,195.17

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Solution

The fourth proportional to 7,389.31, 11,083.95 and 2,195.17 is: 3,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.31 : 11,083.95 = 2,195.17 : x
  2. Step 2: Convert to fraction form
    7,389.31/11,083.95 = 2,195.17/x
  3. Step 3: Cross multiply
    7,389.31x = 11,083.95 × 2,195.17
  4. Step 4: Simplify right side
    7,389.31x = 24,331,154.52
  5. Step 5: Solve for x
    x = 24,331,154.52/7,389.31
  6. Step 6: Final answer
    x = 3,292.75

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Half scale
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Double scale
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Similar ratio
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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.