Home / 7,320.21-10,102.01-4,134.14

Finding the Fourth Proportional to 7,320.21, 10,102.01 and 4,134.14

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Solution

The fourth proportional to 7,320.21, 10,102.01 and 4,134.14 is: 5,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.21 : 10,102.01 = 4,134.14 : x
  2. Step 2: Convert to fraction form
    7,320.21/10,102.01 = 4,134.14/x
  3. Step 3: Cross multiply
    7,320.21x = 10,102.01 × 4,134.14
  4. Step 4: Simplify right side
    7,320.21x = 41,763,123.62
  5. Step 5: Solve for x
    x = 41,763,123.62/7,320.21
  6. Step 6: Final answer
    x = 5,705.18

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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.