Home / 7,261.91-10,898.04-3,313.70

Finding the Fourth Proportional to 7,261.91, 10,898.04 and 3,313.70

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Solution

The fourth proportional to 7,261.91, 10,898.04 and 3,313.70 is: 4,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.91 : 10,898.04 = 3,313.70 : x
  2. Step 2: Convert to fraction form
    7,261.91/10,898.04 = 3,313.70/x
  3. Step 3: Cross multiply
    7,261.91x = 10,898.04 × 3,313.70
  4. Step 4: Simplify right side
    7,261.91x = 36,112,835.15
  5. Step 5: Solve for x
    x = 36,112,835.15/7,261.91
  6. Step 6: Final answer
    x = 4,972.91

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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.