Home / 5,446.40-7,511.04-3,875.84

Finding the Fourth Proportional to 5,446.40, 7,511.04 and 3,875.84

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Solution

The fourth proportional to 5,446.40, 7,511.04 and 3,875.84 is: 5,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.40 : 7,511.04 = 3,875.84 : x
  2. Step 2: Convert to fraction form
    5,446.40/7,511.04 = 3,875.84/x
  3. Step 3: Cross multiply
    5,446.40x = 7,511.04 × 3,875.84
  4. Step 4: Simplify right side
    5,446.40x = 29,111,589.27
  5. Step 5: Solve for x
    x = 29,111,589.27/5,446.40
  6. Step 6: Final answer
    x = 5,345.11

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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.