Home / 5,564.30-7,678.40-3,045.94

Finding the Fourth Proportional to 5,564.30, 7,678.40 and 3,045.94

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Solution

The fourth proportional to 5,564.30, 7,678.40 and 3,045.94 is: 4,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.30 : 7,678.40 = 3,045.94 : x
  2. Step 2: Convert to fraction form
    5,564.30/7,678.40 = 3,045.94/x
  3. Step 3: Cross multiply
    5,564.30x = 7,678.40 × 3,045.94
  4. Step 4: Simplify right side
    5,564.30x = 23,387,911.27
  5. Step 5: Solve for x
    x = 23,387,911.27/5,564.30
  6. Step 6: Final answer
    x = 4,203.21

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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.