Home / 7,945.28-11,902.80-4,826.24

Finding the Fourth Proportional to 7,945.28, 11,902.80 and 4,826.24

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Solution

The fourth proportional to 7,945.28, 11,902.80 and 4,826.24 is: 7,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.28 : 11,902.80 = 4,826.24 : x
  2. Step 2: Convert to fraction form
    7,945.28/11,902.80 = 4,826.24/x
  3. Step 3: Cross multiply
    7,945.28x = 11,902.80 × 4,826.24
  4. Step 4: Simplify right side
    7,945.28x = 57,445,769.47
  5. Step 5: Solve for x
    x = 57,445,769.47/7,945.28
  6. Step 6: Final answer
    x = 7,230.18

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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.