Home / 8,162.46-12,244.08-2,615.40

Finding the Fourth Proportional to 8,162.46, 12,244.08 and 2,615.40

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Solution

The fourth proportional to 8,162.46, 12,244.08 and 2,615.40 is: 3,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.46 : 12,244.08 = 2,615.40 : x
  2. Step 2: Convert to fraction form
    8,162.46/12,244.08 = 2,615.40/x
  3. Step 3: Cross multiply
    8,162.46x = 12,244.08 × 2,615.40
  4. Step 4: Simplify right side
    8,162.46x = 32,023,166.83
  5. Step 5: Solve for x
    x = 32,023,166.83/8,162.46
  6. Step 6: Final answer
    x = 3,923.22

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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.