Home / 7,286.32-10,929.84-2,603.98

Finding the Fourth Proportional to 7,286.32, 10,929.84 and 2,603.98

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Solution

The fourth proportional to 7,286.32, 10,929.84 and 2,603.98 is: 3,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.32 : 10,929.84 = 2,603.98 : x
  2. Step 2: Convert to fraction form
    7,286.32/10,929.84 = 2,603.98/x
  3. Step 3: Cross multiply
    7,286.32x = 10,929.84 × 2,603.98
  4. Step 4: Simplify right side
    7,286.32x = 28,461,084.76
  5. Step 5: Solve for x
    x = 28,461,084.76/7,286.32
  6. Step 6: Final answer
    x = 3,906.10

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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.