Home / 9,287.88-13,931.82-3,437.64

Finding the Fourth Proportional to 9,287.88, 13,931.82 and 3,437.64

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Solution

The fourth proportional to 9,287.88, 13,931.82 and 3,437.64 is: 5,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.88 : 13,931.82 = 3,437.64 : x
  2. Step 2: Convert to fraction form
    9,287.88/13,931.82 = 3,437.64/x
  3. Step 3: Cross multiply
    9,287.88x = 13,931.82 × 3,437.64
  4. Step 4: Simplify right side
    9,287.88x = 47,892,581.70
  5. Step 5: Solve for x
    x = 47,892,581.70/9,287.88
  6. Step 6: Final answer
    x = 5,156.46

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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.