Home / 4,722.30-7,086.18-1,948.46

Finding the Fourth Proportional to 4,722.30, 7,086.18 and 1,948.46

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Solution

The fourth proportional to 4,722.30, 7,086.18 and 1,948.46 is: 2,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.30 : 7,086.18 = 1,948.46 : x
  2. Step 2: Convert to fraction form
    4,722.30/7,086.18 = 1,948.46/x
  3. Step 3: Cross multiply
    4,722.30x = 7,086.18 × 1,948.46
  4. Step 4: Simplify right side
    4,722.30x = 13,807,110.16
  5. Step 5: Solve for x
    x = 13,807,110.16/4,722.30
  6. Step 6: Final answer
    x = 2,923.81

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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.