Home / 7,221.24-10,825.38-2,603.16

Finding the Fourth Proportional to 7,221.24, 10,825.38 and 2,603.16

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Solution

The fourth proportional to 7,221.24, 10,825.38 and 2,603.16 is: 3,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.24 : 10,825.38 = 2,603.16 : x
  2. Step 2: Convert to fraction form
    7,221.24/10,825.38 = 2,603.16/x
  3. Step 3: Cross multiply
    7,221.24x = 10,825.38 × 2,603.16
  4. Step 4: Simplify right side
    7,221.24x = 28,180,196.20
  5. Step 5: Solve for x
    x = 28,180,196.20/7,221.24
  6. Step 6: Final answer
    x = 3,902.40

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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.