Home / 8,937.73-12,334.62-5,161.60

Finding the Fourth Proportional to 8,937.73, 12,334.62 and 5,161.60

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Solution

The fourth proportional to 8,937.73, 12,334.62 and 5,161.60 is: 7,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.73 : 12,334.62 = 5,161.60 : x
  2. Step 2: Convert to fraction form
    8,937.73/12,334.62 = 5,161.60/x
  3. Step 3: Cross multiply
    8,937.73x = 12,334.62 × 5,161.60
  4. Step 4: Simplify right side
    8,937.73x = 63,666,374.59
  5. Step 5: Solve for x
    x = 63,666,374.59/8,937.73
  6. Step 6: Final answer
    x = 7,123.33

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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.