Home / 6,783.12-10,172.76-2,398.20

Finding the Fourth Proportional to 6,783.12, 10,172.76 and 2,398.20

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Solution

The fourth proportional to 6,783.12, 10,172.76 and 2,398.20 is: 3,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.12 : 10,172.76 = 2,398.20 : x
  2. Step 2: Convert to fraction form
    6,783.12/10,172.76 = 2,398.20/x
  3. Step 3: Cross multiply
    6,783.12x = 10,172.76 × 2,398.20
  4. Step 4: Simplify right side
    6,783.12x = 24,396,313.03
  5. Step 5: Solve for x
    x = 24,396,313.03/6,783.12
  6. Step 6: Final answer
    x = 3,596.62

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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.