Home / 6,432.28-9,648.75-1,815.64

Finding the Fourth Proportional to 6,432.28, 9,648.75 and 1,815.64

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Solution

The fourth proportional to 6,432.28, 9,648.75 and 1,815.64 is: 2,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.28 : 9,648.75 = 1,815.64 : x
  2. Step 2: Convert to fraction form
    6,432.28/9,648.75 = 1,815.64/x
  3. Step 3: Cross multiply
    6,432.28x = 9,648.75 × 1,815.64
  4. Step 4: Simplify right side
    6,432.28x = 17,518,656.45
  5. Step 5: Solve for x
    x = 17,518,656.45/6,432.28
  6. Step 6: Final answer
    x = 2,723.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.