Home / 6,324.20-9,486.30-2,428.70

Finding the Fourth Proportional to 6,324.20, 9,486.30 and 2,428.70

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Solution

The fourth proportional to 6,324.20, 9,486.30 and 2,428.70 is: 3,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.20 : 9,486.30 = 2,428.70 : x
  2. Step 2: Convert to fraction form
    6,324.20/9,486.30 = 2,428.70/x
  3. Step 3: Cross multiply
    6,324.20x = 9,486.30 × 2,428.70
  4. Step 4: Simplify right side
    6,324.20x = 23,039,376.81
  5. Step 5: Solve for x
    x = 23,039,376.81/6,324.20
  6. Step 6: Final answer
    x = 3,643.05

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Similar ratio
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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.