Home / 8,346.28-12,522.30-5,228.60

Finding the Fourth Proportional to 8,346.28, 12,522.30 and 5,228.60

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Solution

The fourth proportional to 8,346.28, 12,522.30 and 5,228.60 is: 7,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.28 : 12,522.30 = 5,228.60 : x
  2. Step 2: Convert to fraction form
    8,346.28/12,522.30 = 5,228.60/x
  3. Step 3: Cross multiply
    8,346.28x = 12,522.30 × 5,228.60
  4. Step 4: Simplify right side
    8,346.28x = 65,474,097.78
  5. Step 5: Solve for x
    x = 65,474,097.78/8,346.28
  6. Step 6: Final answer
    x = 7,844.70

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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.