Home / 5,395.72-7,445.92-3,005.70

Finding the Fourth Proportional to 5,395.72, 7,445.92 and 3,005.70

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Solution

The fourth proportional to 5,395.72, 7,445.92 and 3,005.70 is: 4,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.72 : 7,445.92 = 3,005.70 : x
  2. Step 2: Convert to fraction form
    5,395.72/7,445.92 = 3,005.70/x
  3. Step 3: Cross multiply
    5,395.72x = 7,445.92 × 3,005.70
  4. Step 4: Simplify right side
    5,395.72x = 22,380,201.74
  5. Step 5: Solve for x
    x = 22,380,201.74/5,395.72
  6. Step 6: Final answer
    x = 4,147.77

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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.