Home / 5,335.28-8,002.76-1,439.92

Finding the Fourth Proportional to 5,335.28, 8,002.76 and 1,439.92

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Solution

The fourth proportional to 5,335.28, 8,002.76 and 1,439.92 is: 2,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.28 : 8,002.76 = 1,439.92 : x
  2. Step 2: Convert to fraction form
    5,335.28/8,002.76 = 1,439.92/x
  3. Step 3: Cross multiply
    5,335.28x = 8,002.76 × 1,439.92
  4. Step 4: Simplify right side
    5,335.28x = 11,523,334.18
  5. Step 5: Solve for x
    x = 11,523,334.18/5,335.28
  6. Step 6: Final answer
    x = 2,159.84

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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.