Home / 6,290.43-8,680.60-3,601.55

Finding the Fourth Proportional to 6,290.43, 8,680.60 and 3,601.55

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Solution

The fourth proportional to 6,290.43, 8,680.60 and 3,601.55 is: 4,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.43 : 8,680.60 = 3,601.55 : x
  2. Step 2: Convert to fraction form
    6,290.43/8,680.60 = 3,601.55/x
  3. Step 3: Cross multiply
    6,290.43x = 8,680.60 × 3,601.55
  4. Step 4: Simplify right side
    6,290.43x = 31,263,645.64
  5. Step 5: Solve for x
    x = 31,263,645.64/6,290.43
  6. Step 6: Final answer
    x = 4,970.04

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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.