Home / 4,345.28-6,515.79-1,571.54

Finding the Fourth Proportional to 4,345.28, 6,515.79 and 1,571.54

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Solution

The fourth proportional to 4,345.28, 6,515.79 and 1,571.54 is: 2,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.28 : 6,515.79 = 1,571.54 : x
  2. Step 2: Convert to fraction form
    4,345.28/6,515.79 = 1,571.54/x
  3. Step 3: Cross multiply
    4,345.28x = 6,515.79 × 1,571.54
  4. Step 4: Simplify right side
    4,345.28x = 10,239,794.98
  5. Step 5: Solve for x
    x = 10,239,794.98/4,345.28
  6. Step 6: Final answer
    x = 2,356.53

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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.