Home / 8,881.12-12,262.14-5,525.45

Finding the Fourth Proportional to 8,881.12, 12,262.14 and 5,525.45

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Solution

The fourth proportional to 8,881.12, 12,262.14 and 5,525.45 is: 7,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.12 : 12,262.14 = 5,525.45 : x
  2. Step 2: Convert to fraction form
    8,881.12/12,262.14 = 5,525.45/x
  3. Step 3: Cross multiply
    8,881.12x = 12,262.14 × 5,525.45
  4. Step 4: Simplify right side
    8,881.12x = 67,753,841.46
  5. Step 5: Solve for x
    x = 67,753,841.46/8,881.12
  6. Step 6: Final answer
    x = 7,628.97

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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.