Home / 8,972.64-12,377.88-5,984.82

Finding the Fourth Proportional to 8,972.64, 12,377.88 and 5,984.82

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Solution

The fourth proportional to 8,972.64, 12,377.88 and 5,984.82 is: 8,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.64 : 12,377.88 = 5,984.82 : x
  2. Step 2: Convert to fraction form
    8,972.64/12,377.88 = 5,984.82/x
  3. Step 3: Cross multiply
    8,972.64x = 12,377.88 × 5,984.82
  4. Step 4: Simplify right side
    8,972.64x = 74,079,383.78
  5. Step 5: Solve for x
    x = 74,079,383.78/8,972.64
  6. Step 6: Final answer
    x = 8,256.14

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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.