Home / 6,471.48-9,701.40-2,578.56

Finding the Fourth Proportional to 6,471.48, 9,701.40 and 2,578.56

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Solution

The fourth proportional to 6,471.48, 9,701.40 and 2,578.56 is: 3,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.48 : 9,701.40 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    6,471.48/9,701.40 = 2,578.56/x
  3. Step 3: Cross multiply
    6,471.48x = 9,701.40 × 2,578.56
  4. Step 4: Simplify right side
    6,471.48x = 25,015,641.98
  5. Step 5: Solve for x
    x = 25,015,641.98/6,471.48
  6. Step 6: Final answer
    x = 3,865.52

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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.