Home / 4,102.09-6,155.15-1,761.40

Finding the Fourth Proportional to 4,102.09, 6,155.15 and 1,761.40

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Solution

The fourth proportional to 4,102.09, 6,155.15 and 1,761.40 is: 2,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.09 : 6,155.15 = 1,761.40 : x
  2. Step 2: Convert to fraction form
    4,102.09/6,155.15 = 1,761.40/x
  3. Step 3: Cross multiply
    4,102.09x = 6,155.15 × 1,761.40
  4. Step 4: Simplify right side
    4,102.09x = 10,841,681.21
  5. Step 5: Solve for x
    x = 10,841,681.21/4,102.09
  6. Step 6: Final answer
    x = 2,642.97

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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.