Home / 8,913.88-12,301.22-4,934.91

Finding the Fourth Proportional to 8,913.88, 12,301.22 and 4,934.91

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Solution

The fourth proportional to 8,913.88, 12,301.22 and 4,934.91 is: 6,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.88 : 12,301.22 = 4,934.91 : x
  2. Step 2: Convert to fraction form
    8,913.88/12,301.22 = 4,934.91/x
  3. Step 3: Cross multiply
    8,913.88x = 12,301.22 × 4,934.91
  4. Step 4: Simplify right side
    8,913.88x = 60,705,413.59
  5. Step 5: Solve for x
    x = 60,705,413.59/8,913.88
  6. Step 6: Final answer
    x = 6,810.21

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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.