Home / 7,320.05-10,101.70-3,962.87

Finding the Fourth Proportional to 7,320.05, 10,101.70 and 3,962.87

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Solution

The fourth proportional to 7,320.05, 10,101.70 and 3,962.87 is: 5,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.05 : 10,101.70 = 3,962.87 : x
  2. Step 2: Convert to fraction form
    7,320.05/10,101.70 = 3,962.87/x
  3. Step 3: Cross multiply
    7,320.05x = 10,101.70 × 3,962.87
  4. Step 4: Simplify right side
    7,320.05x = 40,031,673.37
  5. Step 5: Solve for x
    x = 40,031,673.37/7,320.05
  6. Step 6: Final answer
    x = 5,468.77

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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.