Home / 7,885.26-10,881.68-4,348.38

Finding the Fourth Proportional to 7,885.26, 10,881.68 and 4,348.38

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Solution

The fourth proportional to 7,885.26, 10,881.68 and 4,348.38 is: 6,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.26 : 10,881.68 = 4,348.38 : x
  2. Step 2: Convert to fraction form
    7,885.26/10,881.68 = 4,348.38/x
  3. Step 3: Cross multiply
    7,885.26x = 10,881.68 × 4,348.38
  4. Step 4: Simplify right side
    7,885.26x = 47,317,679.68
  5. Step 5: Solve for x
    x = 47,317,679.68/7,885.26
  6. Step 6: Final answer
    x = 6,000.78

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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.