Home / 5,228.74-7,841.46-1,765.18

Finding the Fourth Proportional to 5,228.74, 7,841.46 and 1,765.18

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Solution

The fourth proportional to 5,228.74, 7,841.46 and 1,765.18 is: 2,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.74 : 7,841.46 = 1,765.18 : x
  2. Step 2: Convert to fraction form
    5,228.74/7,841.46 = 1,765.18/x
  3. Step 3: Cross multiply
    5,228.74x = 7,841.46 × 1,765.18
  4. Step 4: Simplify right side
    5,228.74x = 13,841,588.36
  5. Step 5: Solve for x
    x = 13,841,588.36/5,228.74
  6. Step 6: Final answer
    x = 2,647.21

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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.