Home / 9,122.34-13,683.02-2,797.20

Finding the Fourth Proportional to 9,122.34, 13,683.02 and 2,797.20

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Solution

The fourth proportional to 9,122.34, 13,683.02 and 2,797.20 is: 4,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.34 : 13,683.02 = 2,797.20 : x
  2. Step 2: Convert to fraction form
    9,122.34/13,683.02 = 2,797.20/x
  3. Step 3: Cross multiply
    9,122.34x = 13,683.02 × 2,797.20
  4. Step 4: Simplify right side
    9,122.34x = 38,274,143.54
  5. Step 5: Solve for x
    x = 38,274,143.54/9,122.34
  6. Step 6: Final answer
    x = 4,195.65

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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.