Home / 4,281.76-6,422.64-2,752.48

Finding the Fourth Proportional to 4,281.76, 6,422.64 and 2,752.48

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Solution

The fourth proportional to 4,281.76, 6,422.64 and 2,752.48 is: 4,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.76 : 6,422.64 = 2,752.48 : x
  2. Step 2: Convert to fraction form
    4,281.76/6,422.64 = 2,752.48/x
  3. Step 3: Cross multiply
    4,281.76x = 6,422.64 × 2,752.48
  4. Step 4: Simplify right side
    4,281.76x = 17,678,188.15
  5. Step 5: Solve for x
    x = 17,678,188.15/4,281.76
  6. Step 6: Final answer
    x = 4,128.72

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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.