Home / 5,150.13-7,725.18-1,254.54

Finding the Fourth Proportional to 5,150.13, 7,725.18 and 1,254.54

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Solution

The fourth proportional to 5,150.13, 7,725.18 and 1,254.54 is: 1,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.13 : 7,725.18 = 1,254.54 : x
  2. Step 2: Convert to fraction form
    5,150.13/7,725.18 = 1,254.54/x
  3. Step 3: Cross multiply
    5,150.13x = 7,725.18 × 1,254.54
  4. Step 4: Simplify right side
    5,150.13x = 9,691,547.32
  5. Step 5: Solve for x
    x = 9,691,547.32/5,150.13
  6. Step 6: Final answer
    x = 1,881.81

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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.