Home / 7,216.20-10,816.04-3,261.49

Finding the Fourth Proportional to 7,216.20, 10,816.04 and 3,261.49

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Solution

The fourth proportional to 7,216.20, 10,816.04 and 3,261.49 is: 4,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.20 : 10,816.04 = 3,261.49 : x
  2. Step 2: Convert to fraction form
    7,216.20/10,816.04 = 3,261.49/x
  3. Step 3: Cross multiply
    7,216.20x = 10,816.04 × 3,261.49
  4. Step 4: Simplify right side
    7,216.20x = 35,276,422.42
  5. Step 5: Solve for x
    x = 35,276,422.42/7,216.20
  6. Step 6: Final answer
    x = 4,888.50

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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.