Home / 5,705.06-8,558.40-2,419.70

Finding the Fourth Proportional to 5,705.06, 8,558.40 and 2,419.70

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Solution

The fourth proportional to 5,705.06, 8,558.40 and 2,419.70 is: 3,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.06 : 8,558.40 = 2,419.70 : x
  2. Step 2: Convert to fraction form
    5,705.06/8,558.40 = 2,419.70/x
  3. Step 3: Cross multiply
    5,705.06x = 8,558.40 × 2,419.70
  4. Step 4: Simplify right side
    5,705.06x = 20,708,760.48
  5. Step 5: Solve for x
    x = 20,708,760.48/5,705.06
  6. Step 6: Final answer
    x = 3,629.89

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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.