Home / 6,512.17-8,987.69-3,993.84

Finding the Fourth Proportional to 6,512.17, 8,987.69 and 3,993.84

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Solution

The fourth proportional to 6,512.17, 8,987.69 and 3,993.84 is: 5,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.17 : 8,987.69 = 3,993.84 : x
  2. Step 2: Convert to fraction form
    6,512.17/8,987.69 = 3,993.84/x
  3. Step 3: Cross multiply
    6,512.17x = 8,987.69 × 3,993.84
  4. Step 4: Simplify right side
    6,512.17x = 35,895,395.83
  5. Step 5: Solve for x
    x = 35,895,395.83/6,512.17
  6. Step 6: Final answer
    x = 5,512.05

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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.