Home / 4,977.09-6,865.52-3,110.85

Finding the Fourth Proportional to 4,977.09, 6,865.52 and 3,110.85

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Solution

The fourth proportional to 4,977.09, 6,865.52 and 3,110.85 is: 4,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.09 : 6,865.52 = 3,110.85 : x
  2. Step 2: Convert to fraction form
    4,977.09/6,865.52 = 3,110.85/x
  3. Step 3: Cross multiply
    4,977.09x = 6,865.52 × 3,110.85
  4. Step 4: Simplify right side
    4,977.09x = 21,357,568.56
  5. Step 5: Solve for x
    x = 21,357,568.56/4,977.09
  6. Step 6: Final answer
    x = 4,291.18

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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.