Home / 4,722.18-7,077.09-1,945.62

Finding the Fourth Proportional to 4,722.18, 7,077.09 and 1,945.62

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Solution

The fourth proportional to 4,722.18, 7,077.09 and 1,945.62 is: 2,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.18 : 7,077.09 = 1,945.62 : x
  2. Step 2: Convert to fraction form
    4,722.18/7,077.09 = 1,945.62/x
  3. Step 3: Cross multiply
    4,722.18x = 7,077.09 × 1,945.62
  4. Step 4: Simplify right side
    4,722.18x = 13,769,327.85
  5. Step 5: Solve for x
    x = 13,769,327.85/4,722.18
  6. Step 6: Final answer
    x = 2,915.88

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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.