Home / 4,680.45-6,458.40-3,932.55

Finding the Fourth Proportional to 4,680.45, 6,458.40 and 3,932.55

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Solution

The fourth proportional to 4,680.45, 6,458.40 and 3,932.55 is: 5,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.45 : 6,458.40 = 3,932.55 : x
  2. Step 2: Convert to fraction form
    4,680.45/6,458.40 = 3,932.55/x
  3. Step 3: Cross multiply
    4,680.45x = 6,458.40 × 3,932.55
  4. Step 4: Simplify right side
    4,680.45x = 25,397,980.92
  5. Step 5: Solve for x
    x = 25,397,980.92/4,680.45
  6. Step 6: Final answer
    x = 5,426.40

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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.