Home / 8,487.04-12,729.10-2,247.12

Finding the Fourth Proportional to 8,487.04, 12,729.10 and 2,247.12

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Solution

The fourth proportional to 8,487.04, 12,729.10 and 2,247.12 is: 3,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.04 : 12,729.10 = 2,247.12 : x
  2. Step 2: Convert to fraction form
    8,487.04/12,729.10 = 2,247.12/x
  3. Step 3: Cross multiply
    8,487.04x = 12,729.10 × 2,247.12
  4. Step 4: Simplify right side
    8,487.04x = 28,603,815.19
  5. Step 5: Solve for x
    x = 28,603,815.19/8,487.04
  6. Step 6: Final answer
    x = 3,370.29

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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.