Home / 7,270.18-10,898.79-3,317.38

Finding the Fourth Proportional to 7,270.18, 10,898.79 and 3,317.38

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Solution

The fourth proportional to 7,270.18, 10,898.79 and 3,317.38 is: 4,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.18 : 10,898.79 = 3,317.38 : x
  2. Step 2: Convert to fraction form
    7,270.18/10,898.79 = 3,317.38/x
  3. Step 3: Cross multiply
    7,270.18x = 10,898.79 × 3,317.38
  4. Step 4: Simplify right side
    7,270.18x = 36,155,427.97
  5. Step 5: Solve for x
    x = 36,155,427.97/7,270.18
  6. Step 6: Final answer
    x = 4,973.11

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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.