Home / 8,106.72-11,187.02-4,569.88

Finding the Fourth Proportional to 8,106.72, 11,187.02 and 4,569.88

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Solution

The fourth proportional to 8,106.72, 11,187.02 and 4,569.88 is: 6,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.72 : 11,187.02 = 4,569.88 : x
  2. Step 2: Convert to fraction form
    8,106.72/11,187.02 = 4,569.88/x
  3. Step 3: Cross multiply
    8,106.72x = 11,187.02 × 4,569.88
  4. Step 4: Simplify right side
    8,106.72x = 51,123,338.96
  5. Step 5: Solve for x
    x = 51,123,338.96/8,106.72
  6. Step 6: Final answer
    x = 6,306.29

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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.