Home / 4,979.26-6,871.20-2,740.93

Finding the Fourth Proportional to 4,979.26, 6,871.20 and 2,740.93

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Solution

The fourth proportional to 4,979.26, 6,871.20 and 2,740.93 is: 3,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.26 : 6,871.20 = 2,740.93 : x
  2. Step 2: Convert to fraction form
    4,979.26/6,871.20 = 2,740.93/x
  3. Step 3: Cross multiply
    4,979.26x = 6,871.20 × 2,740.93
  4. Step 4: Simplify right side
    4,979.26x = 18,833,478.22
  5. Step 5: Solve for x
    x = 18,833,478.22/4,979.26
  6. Step 6: Final answer
    x = 3,782.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.