Home / 9,217.78-12,720.51-5,026

Finding the Fourth Proportional to 9,217.78, 12,720.51 and 5,026

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Solution

The fourth proportional to 9,217.78, 12,720.51 and 5,026 is: 6,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.78 : 12,720.51 = 5,026 : x
  2. Step 2: Convert to fraction form
    9,217.78/12,720.51 = 5,026/x
  3. Step 3: Cross multiply
    9,217.78x = 12,720.51 × 5,026
  4. Step 4: Simplify right side
    9,217.78x = 63,933,283.26
  5. Step 5: Solve for x
    x = 63,933,283.26/9,217.78
  6. Step 6: Final answer
    x = 6,935.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.