Home / 8,748.80-13,123.20-2,904.65

Finding the Fourth Proportional to 8,748.80, 13,123.20 and 2,904.65

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Solution

The fourth proportional to 8,748.80, 13,123.20 and 2,904.65 is: 4,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.80 : 13,123.20 = 2,904.65 : x
  2. Step 2: Convert to fraction form
    8,748.80/13,123.20 = 2,904.65/x
  3. Step 3: Cross multiply
    8,748.80x = 13,123.20 × 2,904.65
  4. Step 4: Simplify right side
    8,748.80x = 38,118,302.88
  5. Step 5: Solve for x
    x = 38,118,302.88/8,748.80
  6. Step 6: Final answer
    x = 4,356.98

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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.