Home / 4,271.10-6,407.31-1,805.70

Finding the Fourth Proportional to 4,271.10, 6,407.31 and 1,805.70

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Solution

The fourth proportional to 4,271.10, 6,407.31 and 1,805.70 is: 2,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.10 : 6,407.31 = 1,805.70 : x
  2. Step 2: Convert to fraction form
    4,271.10/6,407.31 = 1,805.70/x
  3. Step 3: Cross multiply
    4,271.10x = 6,407.31 × 1,805.70
  4. Step 4: Simplify right side
    4,271.10x = 11,569,679.67
  5. Step 5: Solve for x
    x = 11,569,679.67/4,271.10
  6. Step 6: Final answer
    x = 2,708.83

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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.