Home / 4,763.44-7,140.78-1,642.71

Finding the Fourth Proportional to 4,763.44, 7,140.78 and 1,642.71

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Solution

The fourth proportional to 4,763.44, 7,140.78 and 1,642.71 is: 2,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.44 : 7,140.78 = 1,642.71 : x
  2. Step 2: Convert to fraction form
    4,763.44/7,140.78 = 1,642.71/x
  3. Step 3: Cross multiply
    4,763.44x = 7,140.78 × 1,642.71
  4. Step 4: Simplify right side
    4,763.44x = 11,730,230.71
  5. Step 5: Solve for x
    x = 11,730,230.71/4,763.44
  6. Step 6: Final answer
    x = 2,462.55

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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.