Home / 7,862.41-11,792.31-2,930.74

Finding the Fourth Proportional to 7,862.41, 11,792.31 and 2,930.74

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Solution

The fourth proportional to 7,862.41, 11,792.31 and 2,930.74 is: 4,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.41 : 11,792.31 = 2,930.74 : x
  2. Step 2: Convert to fraction form
    7,862.41/11,792.31 = 2,930.74/x
  3. Step 3: Cross multiply
    7,862.41x = 11,792.31 × 2,930.74
  4. Step 4: Simplify right side
    7,862.41x = 34,560,194.61
  5. Step 5: Solve for x
    x = 34,560,194.61/7,862.41
  6. Step 6: Final answer
    x = 4,395.62

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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.