Home / 7,284.78-10,929.51-2,604.69

Finding the Fourth Proportional to 7,284.78, 10,929.51 and 2,604.69

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Solution

The fourth proportional to 7,284.78, 10,929.51 and 2,604.69 is: 3,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.78 : 10,929.51 = 2,604.69 : x
  2. Step 2: Convert to fraction form
    7,284.78/10,929.51 = 2,604.69/x
  3. Step 3: Cross multiply
    7,284.78x = 10,929.51 × 2,604.69
  4. Step 4: Simplify right side
    7,284.78x = 28,467,985.40
  5. Step 5: Solve for x
    x = 28,467,985.40/7,284.78
  6. Step 6: Final answer
    x = 3,907.87

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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.