Home / 6,261.29-8,639.16-3,742.98

Finding the Fourth Proportional to 6,261.29, 8,639.16 and 3,742.98

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Solution

The fourth proportional to 6,261.29, 8,639.16 and 3,742.98 is: 5,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.29 : 8,639.16 = 3,742.98 : x
  2. Step 2: Convert to fraction form
    6,261.29/8,639.16 = 3,742.98/x
  3. Step 3: Cross multiply
    6,261.29x = 8,639.16 × 3,742.98
  4. Step 4: Simplify right side
    6,261.29x = 32,336,156.66
  5. Step 5: Solve for x
    x = 32,336,156.66/6,261.29
  6. Step 6: Final answer
    x = 5,164.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.