Home / 8,260.95-12,391.45-5,806.75

Finding the Fourth Proportional to 8,260.95, 12,391.45 and 5,806.75

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Solution

The fourth proportional to 8,260.95, 12,391.45 and 5,806.75 is: 8,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.95 : 12,391.45 = 5,806.75 : x
  2. Step 2: Convert to fraction form
    8,260.95/12,391.45 = 5,806.75/x
  3. Step 3: Cross multiply
    8,260.95x = 12,391.45 × 5,806.75
  4. Step 4: Simplify right side
    8,260.95x = 71,954,006.79
  5. Step 5: Solve for x
    x = 71,954,006.79/8,260.95
  6. Step 6: Final answer
    x = 8,710.14

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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.