Home / 4,261.20-6,391.35-1,141.53

Finding the Fourth Proportional to 4,261.20, 6,391.35 and 1,141.53

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Solution

The fourth proportional to 4,261.20, 6,391.35 and 1,141.53 is: 1,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.20 : 6,391.35 = 1,141.53 : x
  2. Step 2: Convert to fraction form
    4,261.20/6,391.35 = 1,141.53/x
  3. Step 3: Cross multiply
    4,261.20x = 6,391.35 × 1,141.53
  4. Step 4: Simplify right side
    4,261.20x = 7,295,880.10
  5. Step 5: Solve for x
    x = 7,295,880.10/4,261.20
  6. Step 6: Final answer
    x = 1,712.17

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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.