Home / 4,288.22-6,432.31-1,515.05

Finding the Fourth Proportional to 4,288.22, 6,432.31 and 1,515.05

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Solution

The fourth proportional to 4,288.22, 6,432.31 and 1,515.05 is: 2,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.22 : 6,432.31 = 1,515.05 : x
  2. Step 2: Convert to fraction form
    4,288.22/6,432.31 = 1,515.05/x
  3. Step 3: Cross multiply
    4,288.22x = 6,432.31 × 1,515.05
  4. Step 4: Simplify right side
    4,288.22x = 9,745,235.32
  5. Step 5: Solve for x
    x = 9,745,235.32/4,288.22
  6. Step 6: Final answer
    x = 2,272.56

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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.