Home / 8,214.68-12,306.44-4,875.88

Finding the Fourth Proportional to 8,214.68, 12,306.44 and 4,875.88

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Solution

The fourth proportional to 8,214.68, 12,306.44 and 4,875.88 is: 7,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.68 : 12,306.44 = 4,875.88 : x
  2. Step 2: Convert to fraction form
    8,214.68/12,306.44 = 4,875.88/x
  3. Step 3: Cross multiply
    8,214.68x = 12,306.44 × 4,875.88
  4. Step 4: Simplify right side
    8,214.68x = 60,004,724.67
  5. Step 5: Solve for x
    x = 60,004,724.67/8,214.68
  6. Step 6: Final answer
    x = 7,304.57

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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.