Home / 5,375.02-7,417.86-3,579.42

Finding the Fourth Proportional to 5,375.02, 7,417.86 and 3,579.42

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Solution

The fourth proportional to 5,375.02, 7,417.86 and 3,579.42 is: 4,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.02 : 7,417.86 = 3,579.42 : x
  2. Step 2: Convert to fraction form
    5,375.02/7,417.86 = 3,579.42/x
  3. Step 3: Cross multiply
    5,375.02x = 7,417.86 × 3,579.42
  4. Step 4: Simplify right side
    5,375.02x = 26,551,636.44
  5. Step 5: Solve for x
    x = 26,551,636.44/5,375.02
  6. Step 6: Final answer
    x = 4,939.82

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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.