Home / 9,251.28-13,877.16-4,319.64

Finding the Fourth Proportional to 9,251.28, 13,877.16 and 4,319.64

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Solution

The fourth proportional to 9,251.28, 13,877.16 and 4,319.64 is: 6,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.28 : 13,877.16 = 4,319.64 : x
  2. Step 2: Convert to fraction form
    9,251.28/13,877.16 = 4,319.64/x
  3. Step 3: Cross multiply
    9,251.28x = 13,877.16 × 4,319.64
  4. Step 4: Simplify right side
    9,251.28x = 59,944,335.42
  5. Step 5: Solve for x
    x = 59,944,335.42/9,251.28
  6. Step 6: Final answer
    x = 6,479.57

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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.