Home / 7,438.79-11,158.19-5,566.63

Finding the Fourth Proportional to 7,438.79, 11,158.19 and 5,566.63

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Solution

The fourth proportional to 7,438.79, 11,158.19 and 5,566.63 is: 8,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.79 : 11,158.19 = 5,566.63 : x
  2. Step 2: Convert to fraction form
    7,438.79/11,158.19 = 5,566.63/x
  3. Step 3: Cross multiply
    7,438.79x = 11,158.19 × 5,566.63
  4. Step 4: Simplify right side
    7,438.79x = 62,113,515.20
  5. Step 5: Solve for x
    x = 62,113,515.20/7,438.79
  6. Step 6: Final answer
    x = 8,349.95

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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.