Home / 6,890.88-10,329.84-3,424.32

Finding the Fourth Proportional to 6,890.88, 10,329.84 and 3,424.32

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Solution

The fourth proportional to 6,890.88, 10,329.84 and 3,424.32 is: 5,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.88 : 10,329.84 = 3,424.32 : x
  2. Step 2: Convert to fraction form
    6,890.88/10,329.84 = 3,424.32/x
  3. Step 3: Cross multiply
    6,890.88x = 10,329.84 × 3,424.32
  4. Step 4: Simplify right side
    6,890.88x = 35,372,677.71
  5. Step 5: Solve for x
    x = 35,372,677.71/6,890.88
  6. Step 6: Final answer
    x = 5,133.26

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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.