Home / 8,864.82-12,235.22-5,090.53

Finding the Fourth Proportional to 8,864.82, 12,235.22 and 5,090.53

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Solution

The fourth proportional to 8,864.82, 12,235.22 and 5,090.53 is: 7,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.82 : 12,235.22 = 5,090.53 : x
  2. Step 2: Convert to fraction form
    8,864.82/12,235.22 = 5,090.53/x
  3. Step 3: Cross multiply
    8,864.82x = 12,235.22 × 5,090.53
  4. Step 4: Simplify right side
    8,864.82x = 62,283,754.47
  5. Step 5: Solve for x
    x = 62,283,754.47/8,864.82
  6. Step 6: Final answer
    x = 7,025.95

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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.