Home / 6,744.48-10,116.64-3,990.08

Finding the Fourth Proportional to 6,744.48, 10,116.64 and 3,990.08

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Solution

The fourth proportional to 6,744.48, 10,116.64 and 3,990.08 is: 5,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.48 : 10,116.64 = 3,990.08 : x
  2. Step 2: Convert to fraction form
    6,744.48/10,116.64 = 3,990.08/x
  3. Step 3: Cross multiply
    6,744.48x = 10,116.64 × 3,990.08
  4. Step 4: Simplify right side
    6,744.48x = 40,366,202.93
  5. Step 5: Solve for x
    x = 40,366,202.93/6,744.48
  6. Step 6: Final answer
    x = 5,985.07

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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.