Home / 4,932.32-6,807.29-3,140

Finding the Fourth Proportional to 4,932.32, 6,807.29 and 3,140

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Solution

The fourth proportional to 4,932.32, 6,807.29 and 3,140 is: 4,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.32 : 6,807.29 = 3,140 : x
  2. Step 2: Convert to fraction form
    4,932.32/6,807.29 = 3,140/x
  3. Step 3: Cross multiply
    4,932.32x = 6,807.29 × 3,140
  4. Step 4: Simplify right side
    4,932.32x = 21,374,874.90
  5. Step 5: Solve for x
    x = 21,374,874.90/4,932.32
  6. Step 6: Final answer
    x = 4,333.64

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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.