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Finding the Fourth Proportional to 5,844.78, 8,065.50 and 3,191.68

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Solution

The fourth proportional to 5,844.78, 8,065.50 and 3,191.68 is: 4,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,844.78 : 8,065.50 = 3,191.68 : x
  2. Step 2: Convert to fraction form
    5,844.78/8,065.50 = 3,191.68/x
  3. Step 3: Cross multiply
    5,844.78x = 8,065.50 × 3,191.68
  4. Step 4: Simplify right side
    5,844.78x = 25,742,495.04
  5. Step 5: Solve for x
    x = 25,742,495.04/5,844.78
  6. Step 6: Final answer
    x = 4,404.36

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1.5x scale

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.