Home / 5,445.67-7,514.56-3,055.09

Finding the Fourth Proportional to 5,445.67, 7,514.56 and 3,055.09

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Solution

The fourth proportional to 5,445.67, 7,514.56 and 3,055.09 is: 4,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.67 : 7,514.56 = 3,055.09 : x
  2. Step 2: Convert to fraction form
    5,445.67/7,514.56 = 3,055.09/x
  3. Step 3: Cross multiply
    5,445.67x = 7,514.56 × 3,055.09
  4. Step 4: Simplify right side
    5,445.67x = 22,957,657.11
  5. Step 5: Solve for x
    x = 22,957,657.11/5,445.67
  6. Step 6: Final answer
    x = 4,215.76

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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.