Home / 4,261.29-6,390.54-1,411.13

Finding the Fourth Proportional to 4,261.29, 6,390.54 and 1,411.13

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Solution

The fourth proportional to 4,261.29, 6,390.54 and 1,411.13 is: 2,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.29 : 6,390.54 = 1,411.13 : x
  2. Step 2: Convert to fraction form
    4,261.29/6,390.54 = 1,411.13/x
  3. Step 3: Cross multiply
    4,261.29x = 6,390.54 × 1,411.13
  4. Step 4: Simplify right side
    4,261.29x = 9,017,850.76
  5. Step 5: Solve for x
    x = 9,017,850.76/4,261.29
  6. Step 6: Final answer
    x = 2,116.23

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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.