Home / 9,085.24-12,542.32-6,285.88

Finding the Fourth Proportional to 9,085.24, 12,542.32 and 6,285.88

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Solution

The fourth proportional to 9,085.24, 12,542.32 and 6,285.88 is: 8,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.24 : 12,542.32 = 6,285.88 : x
  2. Step 2: Convert to fraction form
    9,085.24/12,542.32 = 6,285.88/x
  3. Step 3: Cross multiply
    9,085.24x = 12,542.32 × 6,285.88
  4. Step 4: Simplify right side
    9,085.24x = 78,839,518.44
  5. Step 5: Solve for x
    x = 78,839,518.44/9,085.24
  6. Step 6: Final answer
    x = 8,677.76

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Half scale
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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.