Home / 5,811.29-8,019.59-3,158.69

Finding the Fourth Proportional to 5,811.29, 8,019.59 and 3,158.69

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Solution

The fourth proportional to 5,811.29, 8,019.59 and 3,158.69 is: 4,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.29 : 8,019.59 = 3,158.69 : x
  2. Step 2: Convert to fraction form
    5,811.29/8,019.59 = 3,158.69/x
  3. Step 3: Cross multiply
    5,811.29x = 8,019.59 × 3,158.69
  4. Step 4: Simplify right side
    5,811.29x = 25,331,398.74
  5. Step 5: Solve for x
    x = 25,331,398.74/5,811.29
  6. Step 6: Final answer
    x = 4,359.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.