Home / 7,930.89-11,863.45-6,042.49

Finding the Fourth Proportional to 7,930.89, 11,863.45 and 6,042.49

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Solution

The fourth proportional to 7,930.89, 11,863.45 and 6,042.49 is: 9,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.89 : 11,863.45 = 6,042.49 : x
  2. Step 2: Convert to fraction form
    7,930.89/11,863.45 = 6,042.49/x
  3. Step 3: Cross multiply
    7,930.89x = 11,863.45 × 6,042.49
  4. Step 4: Simplify right side
    7,930.89x = 71,684,718.67
  5. Step 5: Solve for x
    x = 71,684,718.67/7,930.89
  6. Step 6: Final answer
    x = 9,038.68

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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.