Home / 6,717.47-10,076.18-1,787.11

Finding the Fourth Proportional to 6,717.47, 10,076.18 and 1,787.11

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Solution

The fourth proportional to 6,717.47, 10,076.18 and 1,787.11 is: 2,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.47 : 10,076.18 = 1,787.11 : x
  2. Step 2: Convert to fraction form
    6,717.47/10,076.18 = 1,787.11/x
  3. Step 3: Cross multiply
    6,717.47x = 10,076.18 × 1,787.11
  4. Step 4: Simplify right side
    6,717.47x = 18,007,221.32
  5. Step 5: Solve for x
    x = 18,007,221.32/6,717.47
  6. Step 6: Final answer
    x = 2,680.66

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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.