Home / 4,550.40-6,279.21-2,560.57

Finding the Fourth Proportional to 4,550.40, 6,279.21 and 2,560.57

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Solution

The fourth proportional to 4,550.40, 6,279.21 and 2,560.57 is: 3,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.40 : 6,279.21 = 2,560.57 : x
  2. Step 2: Convert to fraction form
    4,550.40/6,279.21 = 2,560.57/x
  3. Step 3: Cross multiply
    4,550.40x = 6,279.21 × 2,560.57
  4. Step 4: Simplify right side
    4,550.40x = 16,078,356.75
  5. Step 5: Solve for x
    x = 16,078,356.75/4,550.40
  6. Step 6: Final answer
    x = 3,533.39

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Half scale
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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.