Home / 4,939.10-6,815.70-2,700.54

Finding the Fourth Proportional to 4,939.10, 6,815.70 and 2,700.54

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Solution

The fourth proportional to 4,939.10, 6,815.70 and 2,700.54 is: 3,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.10 : 6,815.70 = 2,700.54 : x
  2. Step 2: Convert to fraction form
    4,939.10/6,815.70 = 2,700.54/x
  3. Step 3: Cross multiply
    4,939.10x = 6,815.70 × 2,700.54
  4. Step 4: Simplify right side
    4,939.10x = 18,406,070.48
  5. Step 5: Solve for x
    x = 18,406,070.48/4,939.10
  6. Step 6: Final answer
    x = 3,726.60

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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.