Home / 5,269.60-7,904.82-1,571.76

Finding the Fourth Proportional to 5,269.60, 7,904.82 and 1,571.76

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Solution

The fourth proportional to 5,269.60, 7,904.82 and 1,571.76 is: 2,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.60 : 7,904.82 = 1,571.76 : x
  2. Step 2: Convert to fraction form
    5,269.60/7,904.82 = 1,571.76/x
  3. Step 3: Cross multiply
    5,269.60x = 7,904.82 × 1,571.76
  4. Step 4: Simplify right side
    5,269.60x = 12,424,479.88
  5. Step 5: Solve for x
    x = 12,424,479.88/5,269.60
  6. Step 6: Final answer
    x = 2,357.77

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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.