Home / 5,561.90-8,343.29-1,864.14

Finding the Fourth Proportional to 5,561.90, 8,343.29 and 1,864.14

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Solution

The fourth proportional to 5,561.90, 8,343.29 and 1,864.14 is: 2,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.90 : 8,343.29 = 1,864.14 : x
  2. Step 2: Convert to fraction form
    5,561.90/8,343.29 = 1,864.14/x
  3. Step 3: Cross multiply
    5,561.90x = 8,343.29 × 1,864.14
  4. Step 4: Simplify right side
    5,561.90x = 15,553,051.30
  5. Step 5: Solve for x
    x = 15,553,051.30/5,561.90
  6. Step 6: Final answer
    x = 2,796.36

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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.