Home / 8,748.08-13,116.60-4,855.20

Finding the Fourth Proportional to 8,748.08, 13,116.60 and 4,855.20

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Solution

The fourth proportional to 8,748.08, 13,116.60 and 4,855.20 is: 7,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.08 : 13,116.60 = 4,855.20 : x
  2. Step 2: Convert to fraction form
    8,748.08/13,116.60 = 4,855.20/x
  3. Step 3: Cross multiply
    8,748.08x = 13,116.60 × 4,855.20
  4. Step 4: Simplify right side
    8,748.08x = 63,683,716.32
  5. Step 5: Solve for x
    x = 63,683,716.32/8,748.08
  6. Step 6: Final answer
    x = 7,279.74

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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.