Home / 6,717.98-10,077.54-1,787.62

Finding the Fourth Proportional to 6,717.98, 10,077.54 and 1,787.62

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Solution

The fourth proportional to 6,717.98, 10,077.54 and 1,787.62 is: 2,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.98 : 10,077.54 = 1,787.62 : x
  2. Step 2: Convert to fraction form
    6,717.98/10,077.54 = 1,787.62/x
  3. Step 3: Cross multiply
    6,717.98x = 10,077.54 × 1,787.62
  4. Step 4: Simplify right side
    6,717.98x = 18,014,777.85
  5. Step 5: Solve for x
    x = 18,014,777.85/6,717.98
  6. Step 6: Final answer
    x = 2,681.58

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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.