Home / 9,123.75-13,687.02-3,858.76

Finding the Fourth Proportional to 9,123.75, 13,687.02 and 3,858.76

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Solution

The fourth proportional to 9,123.75, 13,687.02 and 3,858.76 is: 5,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.75 : 13,687.02 = 3,858.76 : x
  2. Step 2: Convert to fraction form
    9,123.75/13,687.02 = 3,858.76/x
  3. Step 3: Cross multiply
    9,123.75x = 13,687.02 × 3,858.76
  4. Step 4: Simplify right side
    9,123.75x = 52,814,925.30
  5. Step 5: Solve for x
    x = 52,814,925.30/9,123.75
  6. Step 6: Final answer
    x = 5,788.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.