Home / 7,212.90-10,823.40-3,052.20

Finding the Fourth Proportional to 7,212.90, 10,823.40 and 3,052.20

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Solution

The fourth proportional to 7,212.90, 10,823.40 and 3,052.20 is: 4,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.90 : 10,823.40 = 3,052.20 : x
  2. Step 2: Convert to fraction form
    7,212.90/10,823.40 = 3,052.20/x
  3. Step 3: Cross multiply
    7,212.90x = 10,823.40 × 3,052.20
  4. Step 4: Simplify right side
    7,212.90x = 33,035,181.48
  5. Step 5: Solve for x
    x = 33,035,181.48/7,212.90
  6. Step 6: Final answer
    x = 4,580.01

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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.