Home / 5,476.84-8,214.06-1,581.16

Finding the Fourth Proportional to 5,476.84, 8,214.06 and 1,581.16

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Solution

The fourth proportional to 5,476.84, 8,214.06 and 1,581.16 is: 2,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.84 : 8,214.06 = 1,581.16 : x
  2. Step 2: Convert to fraction form
    5,476.84/8,214.06 = 1,581.16/x
  3. Step 3: Cross multiply
    5,476.84x = 8,214.06 × 1,581.16
  4. Step 4: Simplify right side
    5,476.84x = 12,987,743.11
  5. Step 5: Solve for x
    x = 12,987,743.11/5,476.84
  6. Step 6: Final answer
    x = 2,371.39

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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.