Home / 8,901.42-12,280.11-5,362.59

Finding the Fourth Proportional to 8,901.42, 12,280.11 and 5,362.59

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Solution

The fourth proportional to 8,901.42, 12,280.11 and 5,362.59 is: 7,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.42 : 12,280.11 = 5,362.59 : x
  2. Step 2: Convert to fraction form
    8,901.42/12,280.11 = 5,362.59/x
  3. Step 3: Cross multiply
    8,901.42x = 12,280.11 × 5,362.59
  4. Step 4: Simplify right side
    8,901.42x = 65,853,195.08
  5. Step 5: Solve for x
    x = 65,853,195.08/8,901.42
  6. Step 6: Final answer
    x = 7,398.06

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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.