Home / 4,550.95-6,280.21-2,561.49

Finding the Fourth Proportional to 4,550.95, 6,280.21 and 2,561.49

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Solution

The fourth proportional to 4,550.95, 6,280.21 and 2,561.49 is: 3,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.95 : 6,280.21 = 2,561.49 : x
  2. Step 2: Convert to fraction form
    4,550.95/6,280.21 = 2,561.49/x
  3. Step 3: Cross multiply
    4,550.95x = 6,280.21 × 2,561.49
  4. Step 4: Simplify right side
    4,550.95x = 16,086,691.11
  5. Step 5: Solve for x
    x = 16,086,691.11/4,550.95
  6. Step 6: Final answer
    x = 3,534.80

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Double 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.