Home / 8,487.24-12,726.23-2,940.12

Finding the Fourth Proportional to 8,487.24, 12,726.23 and 2,940.12

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Solution

The fourth proportional to 8,487.24, 12,726.23 and 2,940.12 is: 4,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.24 : 12,726.23 = 2,940.12 : x
  2. Step 2: Convert to fraction form
    8,487.24/12,726.23 = 2,940.12/x
  3. Step 3: Cross multiply
    8,487.24x = 12,726.23 × 2,940.12
  4. Step 4: Simplify right side
    8,487.24x = 37,416,565.02
  5. Step 5: Solve for x
    x = 37,416,565.02/8,487.24
  6. Step 6: Final answer
    x = 4,408.57

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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.