Home / 8,373.04-12,530.49-5,209.18

Finding the Fourth Proportional to 8,373.04, 12,530.49 and 5,209.18

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Solution

The fourth proportional to 8,373.04, 12,530.49 and 5,209.18 is: 7,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.04 : 12,530.49 = 5,209.18 : x
  2. Step 2: Convert to fraction form
    8,373.04/12,530.49 = 5,209.18/x
  3. Step 3: Cross multiply
    8,373.04x = 12,530.49 × 5,209.18
  4. Step 4: Simplify right side
    8,373.04x = 65,273,577.90
  5. Step 5: Solve for x
    x = 65,273,577.90/8,373.04
  6. Step 6: Final answer
    x = 7,795.68

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1.5x scale

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.