Home / 10,320-15,488.20-3,748.08

Finding the Fourth Proportional to 10,320, 15,488.20 and 3,748.08

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Solution

The fourth proportional to 10,320, 15,488.20 and 3,748.08 is: 5,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320 : 15,488.20 = 3,748.08 : x
  2. Step 2: Convert to fraction form
    10,320/15,488.20 = 3,748.08/x
  3. Step 3: Cross multiply
    10,320x = 15,488.20 × 3,748.08
  4. Step 4: Simplify right side
    10,320x = 58,051,012.66
  5. Step 5: Solve for x
    x = 58,051,012.66/10,320
  6. Step 6: Final answer
    x = 5,625.10

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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.