Home / 5,260.17-7,256.46-3,489.51

Finding the Fourth Proportional to 5,260.17, 7,256.46 and 3,489.51

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Solution

The fourth proportional to 5,260.17, 7,256.46 and 3,489.51 is: 4,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.17 : 7,256.46 = 3,489.51 : x
  2. Step 2: Convert to fraction form
    5,260.17/7,256.46 = 3,489.51/x
  3. Step 3: Cross multiply
    5,260.17x = 7,256.46 × 3,489.51
  4. Step 4: Simplify right side
    5,260.17x = 25,321,489.73
  5. Step 5: Solve for x
    x = 25,321,489.73/5,260.17
  6. Step 6: Final answer
    x = 4,813.82

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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.