Home / 4,661.49-6,990.57-1,540.92

Finding the Fourth Proportional to 4,661.49, 6,990.57 and 1,540.92

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Solution

The fourth proportional to 4,661.49, 6,990.57 and 1,540.92 is: 2,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.49 : 6,990.57 = 1,540.92 : x
  2. Step 2: Convert to fraction form
    4,661.49/6,990.57 = 1,540.92/x
  3. Step 3: Cross multiply
    4,661.49x = 6,990.57 × 1,540.92
  4. Step 4: Simplify right side
    4,661.49x = 10,771,909.12
  5. Step 5: Solve for x
    x = 10,771,909.12/4,661.49
  6. Step 6: Final answer
    x = 2,310.83

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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.