Home / 7,216.80-10,825.02-2,285.76

Finding the Fourth Proportional to 7,216.80, 10,825.02 and 2,285.76

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Solution

The fourth proportional to 7,216.80, 10,825.02 and 2,285.76 is: 3,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.80 : 10,825.02 = 2,285.76 : x
  2. Step 2: Convert to fraction form
    7,216.80/10,825.02 = 2,285.76/x
  3. Step 3: Cross multiply
    7,216.80x = 10,825.02 × 2,285.76
  4. Step 4: Simplify right side
    7,216.80x = 24,743,397.72
  5. Step 5: Solve for x
    x = 24,743,397.72/7,216.80
  6. Step 6: Final answer
    x = 3,428.58

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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.