Home / 5,342.90-7,377.30-4,161.92

Finding the Fourth Proportional to 5,342.90, 7,377.30 and 4,161.92

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Solution

The fourth proportional to 5,342.90, 7,377.30 and 4,161.92 is: 5,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.90 : 7,377.30 = 4,161.92 : x
  2. Step 2: Convert to fraction form
    5,342.90/7,377.30 = 4,161.92/x
  3. Step 3: Cross multiply
    5,342.90x = 7,377.30 × 4,161.92
  4. Step 4: Simplify right side
    5,342.90x = 30,703,695.53
  5. Step 5: Solve for x
    x = 30,703,695.53/5,342.90
  6. Step 6: Final answer
    x = 5,746.64

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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.