Home / 8,733.12-12,052.20-5,149.28

Finding the Fourth Proportional to 8,733.12, 12,052.20 and 5,149.28

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Solution

The fourth proportional to 8,733.12, 12,052.20 and 5,149.28 is: 7,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.12 : 12,052.20 = 5,149.28 : x
  2. Step 2: Convert to fraction form
    8,733.12/12,052.20 = 5,149.28/x
  3. Step 3: Cross multiply
    8,733.12x = 12,052.20 × 5,149.28
  4. Step 4: Simplify right side
    8,733.12x = 62,060,152.42
  5. Step 5: Solve for x
    x = 62,060,152.42/8,733.12
  6. Step 6: Final answer
    x = 7,106.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.