Home / 6,312.28-9,467.20-2,151.92

Finding the Fourth Proportional to 6,312.28, 9,467.20 and 2,151.92

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Solution

The fourth proportional to 6,312.28, 9,467.20 and 2,151.92 is: 3,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.28 : 9,467.20 = 2,151.92 : x
  2. Step 2: Convert to fraction form
    6,312.28/9,467.20 = 2,151.92/x
  3. Step 3: Cross multiply
    6,312.28x = 9,467.20 × 2,151.92
  4. Step 4: Simplify right side
    6,312.28x = 20,372,657.02
  5. Step 5: Solve for x
    x = 20,372,657.02/6,312.28
  6. Step 6: Final answer
    x = 3,227.46

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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.