Home / 9,026.78-13,542.47-3,478.64

Finding the Fourth Proportional to 9,026.78, 13,542.47 and 3,478.64

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Solution

The fourth proportional to 9,026.78, 13,542.47 and 3,478.64 is: 5,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.78 : 13,542.47 = 3,478.64 : x
  2. Step 2: Convert to fraction form
    9,026.78/13,542.47 = 3,478.64/x
  3. Step 3: Cross multiply
    9,026.78x = 13,542.47 × 3,478.64
  4. Step 4: Simplify right side
    9,026.78x = 47,109,325.35
  5. Step 5: Solve for x
    x = 47,109,325.35/9,026.78
  6. Step 6: Final answer
    x = 5,218.84

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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.