Home / 7,695.40-11,543.10-2,149.24

Finding the Fourth Proportional to 7,695.40, 11,543.10 and 2,149.24

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Solution

The fourth proportional to 7,695.40, 11,543.10 and 2,149.24 is: 3,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.40 : 11,543.10 = 2,149.24 : x
  2. Step 2: Convert to fraction form
    7,695.40/11,543.10 = 2,149.24/x
  3. Step 3: Cross multiply
    7,695.40x = 11,543.10 × 2,149.24
  4. Step 4: Simplify right side
    7,695.40x = 24,808,892.24
  5. Step 5: Solve for x
    x = 24,808,892.24/7,695.40
  6. Step 6: Final answer
    x = 3,223.86

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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.