Home / 5,228.90-7,844.34-1,531.16

Finding the Fourth Proportional to 5,228.90, 7,844.34 and 1,531.16

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Solution

The fourth proportional to 5,228.90, 7,844.34 and 1,531.16 is: 2,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.90 : 7,844.34 = 1,531.16 : x
  2. Step 2: Convert to fraction form
    5,228.90/7,844.34 = 1,531.16/x
  3. Step 3: Cross multiply
    5,228.90x = 7,844.34 × 1,531.16
  4. Step 4: Simplify right side
    5,228.90x = 12,010,939.63
  5. Step 5: Solve for x
    x = 12,010,939.63/5,228.90
  6. Step 6: Final answer
    x = 2,297.03

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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.