Home / 4,987.74-6,883.38-2,863.28

Finding the Fourth Proportional to 4,987.74, 6,883.38 and 2,863.28

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Solution

The fourth proportional to 4,987.74, 6,883.38 and 2,863.28 is: 3,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.74 : 6,883.38 = 2,863.28 : x
  2. Step 2: Convert to fraction form
    4,987.74/6,883.38 = 2,863.28/x
  3. Step 3: Cross multiply
    4,987.74x = 6,883.38 × 2,863.28
  4. Step 4: Simplify right side
    4,987.74x = 19,709,061.49
  5. Step 5: Solve for x
    x = 19,709,061.49/4,987.74
  6. Step 6: Final answer
    x = 3,951.50

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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.