Home / 8,908.67-12,271.14-7,490.76

Finding the Fourth Proportional to 8,908.67, 12,271.14 and 7,490.76

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Solution

The fourth proportional to 8,908.67, 12,271.14 and 7,490.76 is: 10,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.67 : 12,271.14 = 7,490.76 : x
  2. Step 2: Convert to fraction form
    8,908.67/12,271.14 = 7,490.76/x
  3. Step 3: Cross multiply
    8,908.67x = 12,271.14 × 7,490.76
  4. Step 4: Simplify right side
    8,908.67x = 91,920,164.67
  5. Step 5: Solve for x
    x = 91,920,164.67/8,908.67
  6. Step 6: Final answer
    x = 10,318.06

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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.