Home / 8,909.34-13,360.06-4,748.57

Finding the Fourth Proportional to 8,909.34, 13,360.06 and 4,748.57

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Solution

The fourth proportional to 8,909.34, 13,360.06 and 4,748.57 is: 7,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.34 : 13,360.06 = 4,748.57 : x
  2. Step 2: Convert to fraction form
    8,909.34/13,360.06 = 4,748.57/x
  3. Step 3: Cross multiply
    8,909.34x = 13,360.06 × 4,748.57
  4. Step 4: Simplify right side
    8,909.34x = 63,441,201.64
  5. Step 5: Solve for x
    x = 63,441,201.64/8,909.34
  6. Step 6: Final answer
    x = 7,120.75

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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.