Home / 6,666.11-10,005.26-3,381.47

Finding the Fourth Proportional to 6,666.11, 10,005.26 and 3,381.47

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Solution

The fourth proportional to 6,666.11, 10,005.26 and 3,381.47 is: 5,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.11 : 10,005.26 = 3,381.47 : x
  2. Step 2: Convert to fraction form
    6,666.11/10,005.26 = 3,381.47/x
  3. Step 3: Cross multiply
    6,666.11x = 10,005.26 × 3,381.47
  4. Step 4: Simplify right side
    6,666.11x = 33,832,486.53
  5. Step 5: Solve for x
    x = 33,832,486.53/6,666.11
  6. Step 6: Final answer
    x = 5,075.30

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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.