Home / 5,376.36-8,062.50-2,089.05

Finding the Fourth Proportional to 5,376.36, 8,062.50 and 2,089.05

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Solution

The fourth proportional to 5,376.36, 8,062.50 and 2,089.05 is: 3,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.36 : 8,062.50 = 2,089.05 : x
  2. Step 2: Convert to fraction form
    5,376.36/8,062.50 = 2,089.05/x
  3. Step 3: Cross multiply
    5,376.36x = 8,062.50 × 2,089.05
  4. Step 4: Simplify right side
    5,376.36x = 16,842,965.63
  5. Step 5: Solve for x
    x = 16,842,965.63/5,376.36
  6. Step 6: Final answer
    x = 3,132.78

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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.