Home / 8,838.78-12,197.79-5,061.66

Finding the Fourth Proportional to 8,838.78, 12,197.79 and 5,061.66

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Solution

The fourth proportional to 8,838.78, 12,197.79 and 5,061.66 is: 6,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.78 : 12,197.79 = 5,061.66 : x
  2. Step 2: Convert to fraction form
    8,838.78/12,197.79 = 5,061.66/x
  3. Step 3: Cross multiply
    8,838.78x = 12,197.79 × 5,061.66
  4. Step 4: Simplify right side
    8,838.78x = 61,741,065.73
  5. Step 5: Solve for x
    x = 61,741,065.73/8,838.78
  6. Step 6: Final answer
    x = 6,985.25

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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.