Home / 6,909.76-10,362.80-3,013.28

Finding the Fourth Proportional to 6,909.76, 10,362.80 and 3,013.28

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Solution

The fourth proportional to 6,909.76, 10,362.80 and 3,013.28 is: 4,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.76 : 10,362.80 = 3,013.28 : x
  2. Step 2: Convert to fraction form
    6,909.76/10,362.80 = 3,013.28/x
  3. Step 3: Cross multiply
    6,909.76x = 10,362.80 × 3,013.28
  4. Step 4: Simplify right side
    6,909.76x = 31,226,017.98
  5. Step 5: Solve for x
    x = 31,226,017.98/6,909.76
  6. Step 6: Final answer
    x = 4,519.12

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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.