Home / 7,214.18-10,823.47-3,515.88

Finding the Fourth Proportional to 7,214.18, 10,823.47 and 3,515.88

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Solution

The fourth proportional to 7,214.18, 10,823.47 and 3,515.88 is: 5,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.18 : 10,823.47 = 3,515.88 : x
  2. Step 2: Convert to fraction form
    7,214.18/10,823.47 = 3,515.88/x
  3. Step 3: Cross multiply
    7,214.18x = 10,823.47 × 3,515.88
  4. Step 4: Simplify right side
    7,214.18x = 38,054,021.70
  5. Step 5: Solve for x
    x = 38,054,021.70/7,214.18
  6. Step 6: Final answer
    x = 5,274.89

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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.