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Finding the Fourth Proportional to 8,998.28, 12,417.12 and 4,964.97

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Solution

The fourth proportional to 8,998.28, 12,417.12 and 4,964.97 is: 6,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.28 : 12,417.12 = 4,964.97 : x
  2. Step 2: Convert to fraction form
    8,998.28/12,417.12 = 4,964.97/x
  3. Step 3: Cross multiply
    8,998.28x = 12,417.12 × 4,964.97
  4. Step 4: Simplify right side
    8,998.28x = 61,650,628.29
  5. Step 5: Solve for x
    x = 61,650,628.29/8,998.28
  6. Step 6: Final answer
    x = 6,851.38

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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.