Home / 8,718.50-13,083.51-4,101.86

Finding the Fourth Proportional to 8,718.50, 13,083.51 and 4,101.86

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Solution

The fourth proportional to 8,718.50, 13,083.51 and 4,101.86 is: 6,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.50 : 13,083.51 = 4,101.86 : x
  2. Step 2: Convert to fraction form
    8,718.50/13,083.51 = 4,101.86/x
  3. Step 3: Cross multiply
    8,718.50x = 13,083.51 × 4,101.86
  4. Step 4: Simplify right side
    8,718.50x = 53,666,726.33
  5. Step 5: Solve for x
    x = 53,666,726.33/8,718.50
  6. Step 6: Final answer
    x = 6,155.50

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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.