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Finding the Fourth Proportional to 5,861.52, 8,792.28 and 1,479.32

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Solution

The fourth proportional to 5,861.52, 8,792.28 and 1,479.32 is: 2,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.52 : 8,792.28 = 1,479.32 : x
  2. Step 2: Convert to fraction form
    5,861.52/8,792.28 = 1,479.32/x
  3. Step 3: Cross multiply
    5,861.52x = 8,792.28 × 1,479.32
  4. Step 4: Simplify right side
    5,861.52x = 13,006,595.65
  5. Step 5: Solve for x
    x = 13,006,595.65/5,861.52
  6. Step 6: Final answer
    x = 2,218.98

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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.