Home / 8,860.25-13,272.15-6,400.01

Finding the Fourth Proportional to 8,860.25, 13,272.15 and 6,400.01

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Solution

The fourth proportional to 8,860.25, 13,272.15 and 6,400.01 is: 9,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.25 : 13,272.15 = 6,400.01 : x
  2. Step 2: Convert to fraction form
    8,860.25/13,272.15 = 6,400.01/x
  3. Step 3: Cross multiply
    8,860.25x = 13,272.15 × 6,400.01
  4. Step 4: Simplify right side
    8,860.25x = 84,941,949.90
  5. Step 5: Solve for x
    x = 84,941,949.90/8,860.25
  6. Step 6: Final answer
    x = 9,586.85

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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.