Home / 8,475.30-12,718.44-6,400.08

Finding the Fourth Proportional to 8,475.30, 12,718.44 and 6,400.08

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Solution

The fourth proportional to 8,475.30, 12,718.44 and 6,400.08 is: 9,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.30 : 12,718.44 = 6,400.08 : x
  2. Step 2: Convert to fraction form
    8,475.30/12,718.44 = 6,400.08/x
  3. Step 3: Cross multiply
    8,475.30x = 12,718.44 × 6,400.08
  4. Step 4: Simplify right side
    8,475.30x = 81,399,033.48
  5. Step 5: Solve for x
    x = 81,399,033.48/8,475.30
  6. Step 6: Final answer
    x = 9,604.27

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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.