Home / 4,146.29-6,218.45-2,661.02

Finding the Fourth Proportional to 4,146.29, 6,218.45 and 2,661.02

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Solution

The fourth proportional to 4,146.29, 6,218.45 and 2,661.02 is: 3,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.29 : 6,218.45 = 2,661.02 : x
  2. Step 2: Convert to fraction form
    4,146.29/6,218.45 = 2,661.02/x
  3. Step 3: Cross multiply
    4,146.29x = 6,218.45 × 2,661.02
  4. Step 4: Simplify right side
    4,146.29x = 16,547,419.82
  5. Step 5: Solve for x
    x = 16,547,419.82/4,146.29
  6. Step 6: Final answer
    x = 3,990.90

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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.