Home / 8,979.78-13,468.63-3,433

Finding the Fourth Proportional to 8,979.78, 13,468.63 and 3,433

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Solution

The fourth proportional to 8,979.78, 13,468.63 and 3,433 is: 5,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.78 : 13,468.63 = 3,433 : x
  2. Step 2: Convert to fraction form
    8,979.78/13,468.63 = 3,433/x
  3. Step 3: Cross multiply
    8,979.78x = 13,468.63 × 3,433
  4. Step 4: Simplify right side
    8,979.78x = 46,237,806.79
  5. Step 5: Solve for x
    x = 46,237,806.79/8,979.78
  6. Step 6: Final answer
    x = 5,149.10

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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.