Home / 8,251.04-11,390.81-6,358.47

Finding the Fourth Proportional to 8,251.04, 11,390.81 and 6,358.47

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Solution

The fourth proportional to 8,251.04, 11,390.81 and 6,358.47 is: 8,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.04 : 11,390.81 = 6,358.47 : x
  2. Step 2: Convert to fraction form
    8,251.04/11,390.81 = 6,358.47/x
  3. Step 3: Cross multiply
    8,251.04x = 11,390.81 × 6,358.47
  4. Step 4: Simplify right side
    8,251.04x = 72,428,091.87
  5. Step 5: Solve for x
    x = 72,428,091.87/8,251.04
  6. Step 6: Final answer
    x = 8,778.06

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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.