Home / 6,472.31-9,707.65-2,579.45

Finding the Fourth Proportional to 6,472.31, 9,707.65 and 2,579.45

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Solution

The fourth proportional to 6,472.31, 9,707.65 and 2,579.45 is: 3,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.31 : 9,707.65 = 2,579.45 : x
  2. Step 2: Convert to fraction form
    6,472.31/9,707.65 = 2,579.45/x
  3. Step 3: Cross multiply
    6,472.31x = 9,707.65 × 2,579.45
  4. Step 4: Simplify right side
    6,472.31x = 25,040,342.81
  5. Step 5: Solve for x
    x = 25,040,342.81/6,472.31
  6. Step 6: Final answer
    x = 3,868.84

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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.