Home / 9,277.78-13,919.10-3,434.98

Finding the Fourth Proportional to 9,277.78, 13,919.10 and 3,434.98

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Solution

The fourth proportional to 9,277.78, 13,919.10 and 3,434.98 is: 5,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.78 : 13,919.10 = 3,434.98 : x
  2. Step 2: Convert to fraction form
    9,277.78/13,919.10 = 3,434.98/x
  3. Step 3: Cross multiply
    9,277.78x = 13,919.10 × 3,434.98
  4. Step 4: Simplify right side
    9,277.78x = 47,811,830.12
  5. Step 5: Solve for x
    x = 47,811,830.12/9,277.78
  6. Step 6: Final answer
    x = 5,153.37

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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.