Home / 5,090.06-7,639.17-2,752.70

Finding the Fourth Proportional to 5,090.06, 7,639.17 and 2,752.70

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Solution

The fourth proportional to 5,090.06, 7,639.17 and 2,752.70 is: 4,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.06 : 7,639.17 = 2,752.70 : x
  2. Step 2: Convert to fraction form
    5,090.06/7,639.17 = 2,752.70/x
  3. Step 3: Cross multiply
    5,090.06x = 7,639.17 × 2,752.70
  4. Step 4: Simplify right side
    5,090.06x = 21,028,343.26
  5. Step 5: Solve for x
    x = 21,028,343.26/5,090.06
  6. Step 6: Final answer
    x = 4,131.26

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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.