Home / 8,908.18-12,291.90-5,322.04

Finding the Fourth Proportional to 8,908.18, 12,291.90 and 5,322.04

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Solution

The fourth proportional to 8,908.18, 12,291.90 and 5,322.04 is: 7,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.18 : 12,291.90 = 5,322.04 : x
  2. Step 2: Convert to fraction form
    8,908.18/12,291.90 = 5,322.04/x
  3. Step 3: Cross multiply
    8,908.18x = 12,291.90 × 5,322.04
  4. Step 4: Simplify right side
    8,908.18x = 65,417,983.48
  5. Step 5: Solve for x
    x = 65,417,983.48/8,908.18
  6. Step 6: Final answer
    x = 7,343.59

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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.