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Finding the Fourth Proportional to 9,295.76, 12,825.87 and 5,262.68

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Solution

The fourth proportional to 9,295.76, 12,825.87 and 5,262.68 is: 7,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.76 : 12,825.87 = 5,262.68 : x
  2. Step 2: Convert to fraction form
    9,295.76/12,825.87 = 5,262.68/x
  3. Step 3: Cross multiply
    9,295.76x = 12,825.87 × 5,262.68
  4. Step 4: Simplify right side
    9,295.76x = 67,498,385.40
  5. Step 5: Solve for x
    x = 67,498,385.40/9,295.76
  6. Step 6: Final answer
    x = 7,261.21

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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.