Home / 4,088.61-6,129.27-2,991.47

Finding the Fourth Proportional to 4,088.61, 6,129.27 and 2,991.47

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Solution

The fourth proportional to 4,088.61, 6,129.27 and 2,991.47 is: 4,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.61 : 6,129.27 = 2,991.47 : x
  2. Step 2: Convert to fraction form
    4,088.61/6,129.27 = 2,991.47/x
  3. Step 3: Cross multiply
    4,088.61x = 6,129.27 × 2,991.47
  4. Step 4: Simplify right side
    4,088.61x = 18,335,496.68
  5. Step 5: Solve for x
    x = 18,335,496.68/4,088.61
  6. Step 6: Final answer
    x = 4,484.53

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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.