Home / 5,417.85-7,469.22-3,427.41

Finding the Fourth Proportional to 5,417.85, 7,469.22 and 3,427.41

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Solution

The fourth proportional to 5,417.85, 7,469.22 and 3,427.41 is: 4,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.85 : 7,469.22 = 3,427.41 : x
  2. Step 2: Convert to fraction form
    5,417.85/7,469.22 = 3,427.41/x
  3. Step 3: Cross multiply
    5,417.85x = 7,469.22 × 3,427.41
  4. Step 4: Simplify right side
    5,417.85x = 25,600,079.32
  5. Step 5: Solve for x
    x = 25,600,079.32/5,417.85
  6. Step 6: Final answer
    x = 4,725.14

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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.