Home / 4,657.40-6,979.89-1,732.76

Finding the Fourth Proportional to 4,657.40, 6,979.89 and 1,732.76

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Solution

The fourth proportional to 4,657.40, 6,979.89 and 1,732.76 is: 2,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.40 : 6,979.89 = 1,732.76 : x
  2. Step 2: Convert to fraction form
    4,657.40/6,979.89 = 1,732.76/x
  3. Step 3: Cross multiply
    4,657.40x = 6,979.89 × 1,732.76
  4. Step 4: Simplify right side
    4,657.40x = 12,094,474.20
  5. Step 5: Solve for x
    x = 12,094,474.20/4,657.40
  6. Step 6: Final answer
    x = 2,596.83

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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.