Home / 4,550.16-6,279.47-2,781.25

Finding the Fourth Proportional to 4,550.16, 6,279.47 and 2,781.25

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Solution

The fourth proportional to 4,550.16, 6,279.47 and 2,781.25 is: 3,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.16 : 6,279.47 = 2,781.25 : x
  2. Step 2: Convert to fraction form
    4,550.16/6,279.47 = 2,781.25/x
  3. Step 3: Cross multiply
    4,550.16x = 6,279.47 × 2,781.25
  4. Step 4: Simplify right side
    4,550.16x = 17,464,775.94
  5. Step 5: Solve for x
    x = 17,464,775.94/4,550.16
  6. Step 6: Final answer
    x = 3,838.28

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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.