Home / 7,885.38-10,881.63-4,348.52

Finding the Fourth Proportional to 7,885.38, 10,881.63 and 4,348.52

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Solution

The fourth proportional to 7,885.38, 10,881.63 and 4,348.52 is: 6,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.38 : 10,881.63 = 4,348.52 : x
  2. Step 2: Convert to fraction form
    7,885.38/10,881.63 = 4,348.52/x
  3. Step 3: Cross multiply
    7,885.38x = 10,881.63 × 4,348.52
  4. Step 4: Simplify right side
    7,885.38x = 47,318,985.69
  5. Step 5: Solve for x
    x = 47,318,985.69/7,885.38
  6. Step 6: Final answer
    x = 6,000.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.