Home / 4,948.75-7,422.66-1,439.68

Finding the Fourth Proportional to 4,948.75, 7,422.66 and 1,439.68

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Solution

The fourth proportional to 4,948.75, 7,422.66 and 1,439.68 is: 2,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.75 : 7,422.66 = 1,439.68 : x
  2. Step 2: Convert to fraction form
    4,948.75/7,422.66 = 1,439.68/x
  3. Step 3: Cross multiply
    4,948.75x = 7,422.66 × 1,439.68
  4. Step 4: Simplify right side
    4,948.75x = 10,686,255.15
  5. Step 5: Solve for x
    x = 10,686,255.15/4,948.75
  6. Step 6: Final answer
    x = 2,159.38

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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.