Home / 4,491.60-6,734.78-1,718.46

Finding the Fourth Proportional to 4,491.60, 6,734.78 and 1,718.46

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Solution

The fourth proportional to 4,491.60, 6,734.78 and 1,718.46 is: 2,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.60 : 6,734.78 = 1,718.46 : x
  2. Step 2: Convert to fraction form
    4,491.60/6,734.78 = 1,718.46/x
  3. Step 3: Cross multiply
    4,491.60x = 6,734.78 × 1,718.46
  4. Step 4: Simplify right side
    4,491.60x = 11,573,428.91
  5. Step 5: Solve for x
    x = 11,573,428.91/4,491.60
  6. Step 6: Final answer
    x = 2,576.69

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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.