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Finding the Fourth Proportional to 7,095.92, 9,792.87 and 3,952.76

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Solution

The fourth proportional to 7,095.92, 9,792.87 and 3,952.76 is: 5,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,095.92 : 9,792.87 = 3,952.76 : x
  2. Step 2: Convert to fraction form
    7,095.92/9,792.87 = 3,952.76/x
  3. Step 3: Cross multiply
    7,095.92x = 9,792.87 × 3,952.76
  4. Step 4: Simplify right side
    7,095.92x = 38,708,864.82
  5. Step 5: Solve for x
    x = 38,708,864.82/7,095.92
  6. Step 6: Final answer
    x = 5,455.09

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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.