Home / 5,287.13-7,924.70-4,108.37

Finding the Fourth Proportional to 5,287.13, 7,924.70 and 4,108.37

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Solution

The fourth proportional to 5,287.13, 7,924.70 and 4,108.37 is: 6,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.13 : 7,924.70 = 4,108.37 : x
  2. Step 2: Convert to fraction form
    5,287.13/7,924.70 = 4,108.37/x
  3. Step 3: Cross multiply
    5,287.13x = 7,924.70 × 4,108.37
  4. Step 4: Simplify right side
    5,287.13x = 32,557,579.20
  5. Step 5: Solve for x
    x = 32,557,579.20/5,287.13
  6. Step 6: Final answer
    x = 6,157.89

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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.