Home / 5,360.60-7,396.98-3,122.84

Finding the Fourth Proportional to 5,360.60, 7,396.98 and 3,122.84

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Solution

The fourth proportional to 5,360.60, 7,396.98 and 3,122.84 is: 4,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.60 : 7,396.98 = 3,122.84 : x
  2. Step 2: Convert to fraction form
    5,360.60/7,396.98 = 3,122.84/x
  3. Step 3: Cross multiply
    5,360.60x = 7,396.98 × 3,122.84
  4. Step 4: Simplify right side
    5,360.60x = 23,099,585.02
  5. Step 5: Solve for x
    x = 23,099,585.02/5,360.60
  6. Step 6: Final answer
    x = 4,309.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.