Home / 5,616.90-8,418.60-2,328.30

Finding the Fourth Proportional to 5,616.90, 8,418.60 and 2,328.30

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Solution

The fourth proportional to 5,616.90, 8,418.60 and 2,328.30 is: 3,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.90 : 8,418.60 = 2,328.30 : x
  2. Step 2: Convert to fraction form
    5,616.90/8,418.60 = 2,328.30/x
  3. Step 3: Cross multiply
    5,616.90x = 8,418.60 × 2,328.30
  4. Step 4: Simplify right side
    5,616.90x = 19,601,026.38
  5. Step 5: Solve for x
    x = 19,601,026.38/5,616.90
  6. Step 6: Final answer
    x = 3,489.65

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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.