Home / 4,722.40-7,083.87-1,948.96

Finding the Fourth Proportional to 4,722.40, 7,083.87 and 1,948.96

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Solution

The fourth proportional to 4,722.40, 7,083.87 and 1,948.96 is: 2,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.40 : 7,083.87 = 1,948.96 : x
  2. Step 2: Convert to fraction form
    4,722.40/7,083.87 = 1,948.96/x
  3. Step 3: Cross multiply
    4,722.40x = 7,083.87 × 1,948.96
  4. Step 4: Simplify right side
    4,722.40x = 13,806,179.28
  5. Step 5: Solve for x
    x = 13,806,179.28/4,722.40
  6. Step 6: Final answer
    x = 2,923.55

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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.