Home / 6,549.76-9,038.46-3,896.56

Finding the Fourth Proportional to 6,549.76, 9,038.46 and 3,896.56

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Solution

The fourth proportional to 6,549.76, 9,038.46 and 3,896.56 is: 5,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.76 : 9,038.46 = 3,896.56 : x
  2. Step 2: Convert to fraction form
    6,549.76/9,038.46 = 3,896.56/x
  3. Step 3: Cross multiply
    6,549.76x = 9,038.46 × 3,896.56
  4. Step 4: Simplify right side
    6,549.76x = 35,218,901.70
  5. Step 5: Solve for x
    x = 35,218,901.70/6,549.76
  6. Step 6: Final answer
    x = 5,377.13

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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.