Home / 5,439.72-7,506.42-3,343.86

Finding the Fourth Proportional to 5,439.72, 7,506.42 and 3,343.86

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Solution

The fourth proportional to 5,439.72, 7,506.42 and 3,343.86 is: 4,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.72 : 7,506.42 = 3,343.86 : x
  2. Step 2: Convert to fraction form
    5,439.72/7,506.42 = 3,343.86/x
  3. Step 3: Cross multiply
    5,439.72x = 7,506.42 × 3,343.86
  4. Step 4: Simplify right side
    5,439.72x = 25,100,417.58
  5. Step 5: Solve for x
    x = 25,100,417.58/5,439.72
  6. Step 6: Final answer
    x = 4,614.28

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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.