Home / 6,114.60-8,438.24-3,320.12

Finding the Fourth Proportional to 6,114.60, 8,438.24 and 3,320.12

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Solution

The fourth proportional to 6,114.60, 8,438.24 and 3,320.12 is: 4,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.60 : 8,438.24 = 3,320.12 : x
  2. Step 2: Convert to fraction form
    6,114.60/8,438.24 = 3,320.12/x
  3. Step 3: Cross multiply
    6,114.60x = 8,438.24 × 3,320.12
  4. Step 4: Simplify right side
    6,114.60x = 28,015,969.39
  5. Step 5: Solve for x
    x = 28,015,969.39/6,114.60
  6. Step 6: Final answer
    x = 4,581.82

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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.