Home / 5,277.76-7,911.42-2,499.55

Finding the Fourth Proportional to 5,277.76, 7,911.42 and 2,499.55

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Solution

The fourth proportional to 5,277.76, 7,911.42 and 2,499.55 is: 3,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.76 : 7,911.42 = 2,499.55 : x
  2. Step 2: Convert to fraction form
    5,277.76/7,911.42 = 2,499.55/x
  3. Step 3: Cross multiply
    5,277.76x = 7,911.42 × 2,499.55
  4. Step 4: Simplify right side
    5,277.76x = 19,774,989.86
  5. Step 5: Solve for x
    x = 19,774,989.86/5,277.76
  6. Step 6: Final answer
    x = 3,746.85

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1.5x scale

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.