Home / 5,564.14-7,678.40-3,046.20

Finding the Fourth Proportional to 5,564.14, 7,678.40 and 3,046.20

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Solution

The fourth proportional to 5,564.14, 7,678.40 and 3,046.20 is: 4,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.14 : 7,678.40 = 3,046.20 : x
  2. Step 2: Convert to fraction form
    5,564.14/7,678.40 = 3,046.20/x
  3. Step 3: Cross multiply
    5,564.14x = 7,678.40 × 3,046.20
  4. Step 4: Simplify right side
    5,564.14x = 23,389,942.08
  5. Step 5: Solve for x
    x = 23,389,942.08/5,564.14
  6. Step 6: Final answer
    x = 4,203.69

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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.