Home / 8,255.47-11,390.49-4,898.13

Finding the Fourth Proportional to 8,255.47, 11,390.49 and 4,898.13

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Solution

The fourth proportional to 8,255.47, 11,390.49 and 4,898.13 is: 6,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.47 : 11,390.49 = 4,898.13 : x
  2. Step 2: Convert to fraction form
    8,255.47/11,390.49 = 4,898.13/x
  3. Step 3: Cross multiply
    8,255.47x = 11,390.49 × 4,898.13
  4. Step 4: Simplify right side
    8,255.47x = 55,792,100.78
  5. Step 5: Solve for x
    x = 55,792,100.78/8,255.47
  6. Step 6: Final answer
    x = 6,758.20

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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.