Home / 5,543.20-7,649.42-3,303.92

Finding the Fourth Proportional to 5,543.20, 7,649.42 and 3,303.92

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Solution

The fourth proportional to 5,543.20, 7,649.42 and 3,303.92 is: 4,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.20 : 7,649.42 = 3,303.92 : x
  2. Step 2: Convert to fraction form
    5,543.20/7,649.42 = 3,303.92/x
  3. Step 3: Cross multiply
    5,543.20x = 7,649.42 × 3,303.92
  4. Step 4: Simplify right side
    5,543.20x = 25,273,044.34
  5. Step 5: Solve for x
    x = 25,273,044.34/5,543.20
  6. Step 6: Final answer
    x = 4,559.29

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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.