Home / 4,825.72-7,240.80-3,347.20

Finding the Fourth Proportional to 4,825.72, 7,240.80 and 3,347.20

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Solution

The fourth proportional to 4,825.72, 7,240.80 and 3,347.20 is: 5,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.72 : 7,240.80 = 3,347.20 : x
  2. Step 2: Convert to fraction form
    4,825.72/7,240.80 = 3,347.20/x
  3. Step 3: Cross multiply
    4,825.72x = 7,240.80 × 3,347.20
  4. Step 4: Simplify right side
    4,825.72x = 24,236,405.76
  5. Step 5: Solve for x
    x = 24,236,405.76/4,825.72
  6. Step 6: Final answer
    x = 5,022.34

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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.