Home / 7,661.27-11,490.59-2,113.68

Finding the Fourth Proportional to 7,661.27, 11,490.59 and 2,113.68

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Solution

The fourth proportional to 7,661.27, 11,490.59 and 2,113.68 is: 3,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.27 : 11,490.59 = 2,113.68 : x
  2. Step 2: Convert to fraction form
    7,661.27/11,490.59 = 2,113.68/x
  3. Step 3: Cross multiply
    7,661.27x = 11,490.59 × 2,113.68
  4. Step 4: Simplify right side
    7,661.27x = 24,287,419.70
  5. Step 5: Solve for x
    x = 24,287,419.70/7,661.27
  6. Step 6: Final answer
    x = 3,170.16

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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.