Home / 8,445.73-12,661.76-3,519.07

Finding the Fourth Proportional to 8,445.73, 12,661.76 and 3,519.07

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Solution

The fourth proportional to 8,445.73, 12,661.76 and 3,519.07 is: 5,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.73 : 12,661.76 = 3,519.07 : x
  2. Step 2: Convert to fraction form
    8,445.73/12,661.76 = 3,519.07/x
  3. Step 3: Cross multiply
    8,445.73x = 12,661.76 × 3,519.07
  4. Step 4: Simplify right side
    8,445.73x = 44,557,619.76
  5. Step 5: Solve for x
    x = 44,557,619.76/8,445.73
  6. Step 6: Final answer
    x = 5,275.76

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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.