Home / 5,269.28-7,903.82-1,571.52

Finding the Fourth Proportional to 5,269.28, 7,903.82 and 1,571.52

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Solution

The fourth proportional to 5,269.28, 7,903.82 and 1,571.52 is: 2,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.28 : 7,903.82 = 1,571.52 : x
  2. Step 2: Convert to fraction form
    5,269.28/7,903.82 = 1,571.52/x
  3. Step 3: Cross multiply
    5,269.28x = 7,903.82 × 1,571.52
  4. Step 4: Simplify right side
    5,269.28x = 12,421,011.21
  5. Step 5: Solve for x
    x = 12,421,011.21/5,269.28
  6. Step 6: Final answer
    x = 2,357.25

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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.