Home / 8,748.55-13,124.87-2,905.16

Finding the Fourth Proportional to 8,748.55, 13,124.87 and 2,905.16

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Solution

The fourth proportional to 8,748.55, 13,124.87 and 2,905.16 is: 4,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.55 : 13,124.87 = 2,905.16 : x
  2. Step 2: Convert to fraction form
    8,748.55/13,124.87 = 2,905.16/x
  3. Step 3: Cross multiply
    8,748.55x = 13,124.87 × 2,905.16
  4. Step 4: Simplify right side
    8,748.55x = 38,129,778.07
  5. Step 5: Solve for x
    x = 38,129,778.07/8,748.55
  6. Step 6: Final answer
    x = 4,358.41

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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.