Home / 6,787.56-10,176.12-3,275.76

Finding the Fourth Proportional to 6,787.56, 10,176.12 and 3,275.76

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Solution

The fourth proportional to 6,787.56, 10,176.12 and 3,275.76 is: 4,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.56 : 10,176.12 = 3,275.76 : x
  2. Step 2: Convert to fraction form
    6,787.56/10,176.12 = 3,275.76/x
  3. Step 3: Cross multiply
    6,787.56x = 10,176.12 × 3,275.76
  4. Step 4: Simplify right side
    6,787.56x = 33,334,526.85
  5. Step 5: Solve for x
    x = 33,334,526.85/6,787.56
  6. Step 6: Final answer
    x = 4,911.12

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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.