Home / 4,913.88-6,779.88-2,923.56

Finding the Fourth Proportional to 4,913.88, 6,779.88 and 2,923.56

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Solution

The fourth proportional to 4,913.88, 6,779.88 and 2,923.56 is: 4,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.88 : 6,779.88 = 2,923.56 : x
  2. Step 2: Convert to fraction form
    4,913.88/6,779.88 = 2,923.56/x
  3. Step 3: Cross multiply
    4,913.88x = 6,779.88 × 2,923.56
  4. Step 4: Simplify right side
    4,913.88x = 19,821,385.97
  5. Step 5: Solve for x
    x = 19,821,385.97/4,913.88
  6. Step 6: Final answer
    x = 4,033.75

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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.