Home / 5,220.72-7,825.61-3,246.35

Finding the Fourth Proportional to 5,220.72, 7,825.61 and 3,246.35

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Solution

The fourth proportional to 5,220.72, 7,825.61 and 3,246.35 is: 4,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.72 : 7,825.61 = 3,246.35 : x
  2. Step 2: Convert to fraction form
    5,220.72/7,825.61 = 3,246.35/x
  3. Step 3: Cross multiply
    5,220.72x = 7,825.61 × 3,246.35
  4. Step 4: Simplify right side
    5,220.72x = 25,404,638.01
  5. Step 5: Solve for x
    x = 25,404,638.01/5,220.72
  6. Step 6: Final answer
    x = 4,866.12

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1.5x scale

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.