Home / 7,027.20-9,693.60-4,193.76

Finding the Fourth Proportional to 7,027.20, 9,693.60 and 4,193.76

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Solution

The fourth proportional to 7,027.20, 9,693.60 and 4,193.76 is: 5,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.20 : 9,693.60 = 4,193.76 : x
  2. Step 2: Convert to fraction form
    7,027.20/9,693.60 = 4,193.76/x
  3. Step 3: Cross multiply
    7,027.20x = 9,693.60 × 4,193.76
  4. Step 4: Simplify right side
    7,027.20x = 40,652,631.94
  5. Step 5: Solve for x
    x = 40,652,631.94/7,027.20
  6. Step 6: Final answer
    x = 5,785.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.