Home / 7,220.13-10,825.74-2,835.60

Finding the Fourth Proportional to 7,220.13, 10,825.74 and 2,835.60

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Solution

The fourth proportional to 7,220.13, 10,825.74 and 2,835.60 is: 4,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.13 : 10,825.74 = 2,835.60 : x
  2. Step 2: Convert to fraction form
    7,220.13/10,825.74 = 2,835.60/x
  3. Step 3: Cross multiply
    7,220.13x = 10,825.74 × 2,835.60
  4. Step 4: Simplify right side
    7,220.13x = 30,697,468.34
  5. Step 5: Solve for x
    x = 30,697,468.34/7,220.13
  6. Step 6: Final answer
    x = 4,251.65

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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.