Home / 6,101.78-9,153.27-2,815.81

Finding the Fourth Proportional to 6,101.78, 9,153.27 and 2,815.81

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Solution

The fourth proportional to 6,101.78, 9,153.27 and 2,815.81 is: 4,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.78 : 9,153.27 = 2,815.81 : x
  2. Step 2: Convert to fraction form
    6,101.78/9,153.27 = 2,815.81/x
  3. Step 3: Cross multiply
    6,101.78x = 9,153.27 × 2,815.81
  4. Step 4: Simplify right side
    6,101.78x = 25,773,823.43
  5. Step 5: Solve for x
    x = 25,773,823.43/6,101.78
  6. Step 6: Final answer
    x = 4,223.99

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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.