Home / 5,150.03-7,725.02-1,254.47

Finding the Fourth Proportional to 5,150.03, 7,725.02 and 1,254.47

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Solution

The fourth proportional to 5,150.03, 7,725.02 and 1,254.47 is: 1,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.03 : 7,725.02 = 1,254.47 : x
  2. Step 2: Convert to fraction form
    5,150.03/7,725.02 = 1,254.47/x
  3. Step 3: Cross multiply
    5,150.03x = 7,725.02 × 1,254.47
  4. Step 4: Simplify right side
    5,150.03x = 9,690,760.94
  5. Step 5: Solve for x
    x = 9,690,760.94/5,150.03
  6. Step 6: Final answer
    x = 1,881.69

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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.