Home / 7,981.83-10,996.57-6,302.61

Finding the Fourth Proportional to 7,981.83, 10,996.57 and 6,302.61

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Solution

The fourth proportional to 7,981.83, 10,996.57 and 6,302.61 is: 8,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.83 : 10,996.57 = 6,302.61 : x
  2. Step 2: Convert to fraction form
    7,981.83/10,996.57 = 6,302.61/x
  3. Step 3: Cross multiply
    7,981.83x = 10,996.57 × 6,302.61
  4. Step 4: Simplify right side
    7,981.83x = 69,307,092.05
  5. Step 5: Solve for x
    x = 69,307,092.05/7,981.83
  6. Step 6: Final answer
    x = 8,683.11

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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.