Home / 5,612.76-8,422.18-2,328.11

Finding the Fourth Proportional to 5,612.76, 8,422.18 and 2,328.11

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Solution

The fourth proportional to 5,612.76, 8,422.18 and 2,328.11 is: 3,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.76 : 8,422.18 = 2,328.11 : x
  2. Step 2: Convert to fraction form
    5,612.76/8,422.18 = 2,328.11/x
  3. Step 3: Cross multiply
    5,612.76x = 8,422.18 × 2,328.11
  4. Step 4: Simplify right side
    5,612.76x = 19,607,745.13
  5. Step 5: Solve for x
    x = 19,607,745.13/5,612.76
  6. Step 6: Final answer
    x = 3,493.42

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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.