Home / 8,087.88-12,123.54-4,572.84

Finding the Fourth Proportional to 8,087.88, 12,123.54 and 4,572.84

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Solution

The fourth proportional to 8,087.88, 12,123.54 and 4,572.84 is: 6,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.88 : 12,123.54 = 4,572.84 : x
  2. Step 2: Convert to fraction form
    8,087.88/12,123.54 = 4,572.84/x
  3. Step 3: Cross multiply
    8,087.88x = 12,123.54 × 4,572.84
  4. Step 4: Simplify right side
    8,087.88x = 55,439,008.65
  5. Step 5: Solve for x
    x = 55,439,008.65/8,087.88
  6. Step 6: Final answer
    x = 6,854.58

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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.