Home / 5,711.32-8,556.50-4,792.76

Finding the Fourth Proportional to 5,711.32, 8,556.50 and 4,792.76

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Solution

The fourth proportional to 5,711.32, 8,556.50 and 4,792.76 is: 7,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.32 : 8,556.50 = 4,792.76 : x
  2. Step 2: Convert to fraction form
    5,711.32/8,556.50 = 4,792.76/x
  3. Step 3: Cross multiply
    5,711.32x = 8,556.50 × 4,792.76
  4. Step 4: Simplify right side
    5,711.32x = 41,009,250.94
  5. Step 5: Solve for x
    x = 41,009,250.94/5,711.32
  6. Step 6: Final answer
    x = 7,180.35

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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.