Home / 4,899.28-6,761.14-2,661.16

Finding the Fourth Proportional to 4,899.28, 6,761.14 and 2,661.16

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Solution

The fourth proportional to 4,899.28, 6,761.14 and 2,661.16 is: 3,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.28 : 6,761.14 = 2,661.16 : x
  2. Step 2: Convert to fraction form
    4,899.28/6,761.14 = 2,661.16/x
  3. Step 3: Cross multiply
    4,899.28x = 6,761.14 × 2,661.16
  4. Step 4: Simplify right side
    4,899.28x = 17,992,475.32
  5. Step 5: Solve for x
    x = 17,992,475.32/4,899.28
  6. Step 6: Final answer
    x = 3,672.47

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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.