Home / 4,661.28-6,432.81-2,672.16

Finding the Fourth Proportional to 4,661.28, 6,432.81 and 2,672.16

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Solution

The fourth proportional to 4,661.28, 6,432.81 and 2,672.16 is: 3,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.28 : 6,432.81 = 2,672.16 : x
  2. Step 2: Convert to fraction form
    4,661.28/6,432.81 = 2,672.16/x
  3. Step 3: Cross multiply
    4,661.28x = 6,432.81 × 2,672.16
  4. Step 4: Simplify right side
    4,661.28x = 17,189,497.57
  5. Step 5: Solve for x
    x = 17,189,497.57/4,661.28
  6. Step 6: Final answer
    x = 3,687.72

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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.