Home / 4,263.30-5,881.41-2,987.15

Finding the Fourth Proportional to 4,263.30, 5,881.41 and 2,987.15

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Solution

The fourth proportional to 4,263.30, 5,881.41 and 2,987.15 is: 4,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.30 : 5,881.41 = 2,987.15 : x
  2. Step 2: Convert to fraction form
    4,263.30/5,881.41 = 2,987.15/x
  3. Step 3: Cross multiply
    4,263.30x = 5,881.41 × 2,987.15
  4. Step 4: Simplify right side
    4,263.30x = 17,568,624.47
  5. Step 5: Solve for x
    x = 17,568,624.47/4,263.30
  6. Step 6: Final answer
    x = 4,120.90

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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.