Home / 4,000.08-5,522.76-2,605.20

Finding the Fourth Proportional to 4,000.08, 5,522.76 and 2,605.20

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Solution

The fourth proportional to 4,000.08, 5,522.76 and 2,605.20 is: 3,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.08 : 5,522.76 = 2,605.20 : x
  2. Step 2: Convert to fraction form
    4,000.08/5,522.76 = 2,605.20/x
  3. Step 3: Cross multiply
    4,000.08x = 5,522.76 × 2,605.20
  4. Step 4: Simplify right side
    4,000.08x = 14,387,894.35
  5. Step 5: Solve for x
    x = 14,387,894.35/4,000.08
  6. Step 6: Final answer
    x = 3,596.90

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Half scale
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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.