Home / 8,062.40-12,095.28-2,871.68

Finding the Fourth Proportional to 8,062.40, 12,095.28 and 2,871.68

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Solution

The fourth proportional to 8,062.40, 12,095.28 and 2,871.68 is: 4,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.40 : 12,095.28 = 2,871.68 : x
  2. Step 2: Convert to fraction form
    8,062.40/12,095.28 = 2,871.68/x
  3. Step 3: Cross multiply
    8,062.40x = 12,095.28 × 2,871.68
  4. Step 4: Simplify right side
    8,062.40x = 34,733,773.67
  5. Step 5: Solve for x
    x = 34,733,773.67/8,062.40
  6. Step 6: Final answer
    x = 4,308.12

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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.