Home / 5,744.20-8,616.08-1,640.20

Finding the Fourth Proportional to 5,744.20, 8,616.08 and 1,640.20

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Solution

The fourth proportional to 5,744.20, 8,616.08 and 1,640.20 is: 2,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.20 : 8,616.08 = 1,640.20 : x
  2. Step 2: Convert to fraction form
    5,744.20/8,616.08 = 1,640.20/x
  3. Step 3: Cross multiply
    5,744.20x = 8,616.08 × 1,640.20
  4. Step 4: Simplify right side
    5,744.20x = 14,132,094.42
  5. Step 5: Solve for x
    x = 14,132,094.42/5,744.20
  6. Step 6: Final answer
    x = 2,460.24

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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.