Home / 6,445.28-9,665.93-2,061.56

Finding the Fourth Proportional to 6,445.28, 9,665.93 and 2,061.56

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Solution

The fourth proportional to 6,445.28, 9,665.93 and 2,061.56 is: 3,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.28 : 9,665.93 = 2,061.56 : x
  2. Step 2: Convert to fraction form
    6,445.28/9,665.93 = 2,061.56/x
  3. Step 3: Cross multiply
    6,445.28x = 9,665.93 × 2,061.56
  4. Step 4: Simplify right side
    6,445.28x = 19,926,836.01
  5. Step 5: Solve for x
    x = 19,926,836.01/6,445.28
  6. Step 6: Final answer
    x = 3,091.70

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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.