Home / 6,690.40-10,032.84-2,740.96

Finding the Fourth Proportional to 6,690.40, 10,032.84 and 2,740.96

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Solution

The fourth proportional to 6,690.40, 10,032.84 and 2,740.96 is: 4,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.40 : 10,032.84 = 2,740.96 : x
  2. Step 2: Convert to fraction form
    6,690.40/10,032.84 = 2,740.96/x
  3. Step 3: Cross multiply
    6,690.40x = 10,032.84 × 2,740.96
  4. Step 4: Simplify right side
    6,690.40x = 27,499,613.13
  5. Step 5: Solve for x
    x = 27,499,613.13/6,690.40
  6. Step 6: Final answer
    x = 4,110.31

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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.