Home / 5,518.66-7,615.68-3,364.57

Finding the Fourth Proportional to 5,518.66, 7,615.68 and 3,364.57

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Solution

The fourth proportional to 5,518.66, 7,615.68 and 3,364.57 is: 4,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.66 : 7,615.68 = 3,364.57 : x
  2. Step 2: Convert to fraction form
    5,518.66/7,615.68 = 3,364.57/x
  3. Step 3: Cross multiply
    5,518.66x = 7,615.68 × 3,364.57
  4. Step 4: Simplify right side
    5,518.66x = 25,623,488.46
  5. Step 5: Solve for x
    x = 25,623,488.46/5,518.66
  6. Step 6: Final answer
    x = 4,643.06

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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.