Home / 5,342.97-8,017.19-2,420.90

Finding the Fourth Proportional to 5,342.97, 8,017.19 and 2,420.90

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Solution

The fourth proportional to 5,342.97, 8,017.19 and 2,420.90 is: 3,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.97 : 8,017.19 = 2,420.90 : x
  2. Step 2: Convert to fraction form
    5,342.97/8,017.19 = 2,420.90/x
  3. Step 3: Cross multiply
    5,342.97x = 8,017.19 × 2,420.90
  4. Step 4: Simplify right side
    5,342.97x = 19,408,781.24
  5. Step 5: Solve for x
    x = 19,408,781.24/5,342.97
  6. Step 6: Final answer
    x = 3,632.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.