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Finding the Fourth Proportional to 5,758.52, 8,639.04 and 1,862.96

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Solution

The fourth proportional to 5,758.52, 8,639.04 and 1,862.96 is: 2,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.52 : 8,639.04 = 1,862.96 : x
  2. Step 2: Convert to fraction form
    5,758.52/8,639.04 = 1,862.96/x
  3. Step 3: Cross multiply
    5,758.52x = 8,639.04 × 1,862.96
  4. Step 4: Simplify right side
    5,758.52x = 16,094,185.96
  5. Step 5: Solve for x
    x = 16,094,185.96/5,758.52
  6. Step 6: Final answer
    x = 2,794.85

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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.