Home / 5,411.76-8,110.56-2,777.04

Finding the Fourth Proportional to 5,411.76, 8,110.56 and 2,777.04

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Solution

The fourth proportional to 5,411.76, 8,110.56 and 2,777.04 is: 4,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.76 : 8,110.56 = 2,777.04 : x
  2. Step 2: Convert to fraction form
    5,411.76/8,110.56 = 2,777.04/x
  3. Step 3: Cross multiply
    5,411.76x = 8,110.56 × 2,777.04
  4. Step 4: Simplify right side
    5,411.76x = 22,523,349.54
  5. Step 5: Solve for x
    x = 22,523,349.54/5,411.76
  6. Step 6: Final answer
    x = 4,161.93

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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.