Home / 6,512.85-8,986.23-3,680.08

Finding the Fourth Proportional to 6,512.85, 8,986.23 and 3,680.08

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Solution

The fourth proportional to 6,512.85, 8,986.23 and 3,680.08 is: 5,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.85 : 8,986.23 = 3,680.08 : x
  2. Step 2: Convert to fraction form
    6,512.85/8,986.23 = 3,680.08/x
  3. Step 3: Cross multiply
    6,512.85x = 8,986.23 × 3,680.08
  4. Step 4: Simplify right side
    6,512.85x = 33,070,022.83
  5. Step 5: Solve for x
    x = 33,070,022.83/6,512.85
  6. Step 6: Final answer
    x = 5,077.66

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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.