Home / 9,125.97-12,604.74-6,484.83

Finding the Fourth Proportional to 9,125.97, 12,604.74 and 6,484.83

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Solution

The fourth proportional to 9,125.97, 12,604.74 and 6,484.83 is: 8,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.97 : 12,604.74 = 6,484.83 : x
  2. Step 2: Convert to fraction form
    9,125.97/12,604.74 = 6,484.83/x
  3. Step 3: Cross multiply
    9,125.97x = 12,604.74 × 6,484.83
  4. Step 4: Simplify right side
    9,125.97x = 81,739,596.09
  5. Step 5: Solve for x
    x = 81,739,596.09/9,125.97
  6. Step 6: Final answer
    x = 8,956.81

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Half scale
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Double 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.