Home / 8,748.62-13,108.32-6,146.90

Finding the Fourth Proportional to 8,748.62, 13,108.32 and 6,146.90

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Solution

The fourth proportional to 8,748.62, 13,108.32 and 6,146.90 is: 9,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.62 : 13,108.32 = 6,146.90 : x
  2. Step 2: Convert to fraction form
    8,748.62/13,108.32 = 6,146.90/x
  3. Step 3: Cross multiply
    8,748.62x = 13,108.32 × 6,146.90
  4. Step 4: Simplify right side
    8,748.62x = 80,575,532.21
  5. Step 5: Solve for x
    x = 80,575,532.21/8,748.62
  6. Step 6: Final answer
    x = 9,210.08

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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.