Home / 8,780.48-13,170.72-2,937.08

Finding the Fourth Proportional to 8,780.48, 13,170.72 and 2,937.08

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Solution

The fourth proportional to 8,780.48, 13,170.72 and 2,937.08 is: 4,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.48 : 13,170.72 = 2,937.08 : x
  2. Step 2: Convert to fraction form
    8,780.48/13,170.72 = 2,937.08/x
  3. Step 3: Cross multiply
    8,780.48x = 13,170.72 × 2,937.08
  4. Step 4: Simplify right side
    8,780.48x = 38,683,458.30
  5. Step 5: Solve for x
    x = 38,683,458.30/8,780.48
  6. Step 6: Final answer
    x = 4,405.62

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