Home / 6,877.76-10,312.96-2,717.60

Finding the Fourth Proportional to 6,877.76, 10,312.96 and 2,717.60

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Solution

The fourth proportional to 6,877.76, 10,312.96 and 2,717.60 is: 4,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.76 : 10,312.96 = 2,717.60 : x
  2. Step 2: Convert to fraction form
    6,877.76/10,312.96 = 2,717.60/x
  3. Step 3: Cross multiply
    6,877.76x = 10,312.96 × 2,717.60
  4. Step 4: Simplify right side
    6,877.76x = 28,026,500.10
  5. Step 5: Solve for x
    x = 28,026,500.10/6,877.76
  6. Step 6: Final answer
    x = 4,074.95

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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.