Home / 4,761.08-7,140.72-1,640.96

Finding the Fourth Proportional to 4,761.08, 7,140.72 and 1,640.96

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Solution

The fourth proportional to 4,761.08, 7,140.72 and 1,640.96 is: 2,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.08 : 7,140.72 = 1,640.96 : x
  2. Step 2: Convert to fraction form
    4,761.08/7,140.72 = 1,640.96/x
  3. Step 3: Cross multiply
    4,761.08x = 7,140.72 × 1,640.96
  4. Step 4: Simplify right side
    4,761.08x = 11,717,635.89
  5. Step 5: Solve for x
    x = 11,717,635.89/4,761.08
  6. Step 6: Final answer
    x = 2,461.13

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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.