Home / 4,938.88-6,815.76-2,949.06

Finding the Fourth Proportional to 4,938.88, 6,815.76 and 2,949.06

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Solution

The fourth proportional to 4,938.88, 6,815.76 and 2,949.06 is: 4,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.88 : 6,815.76 = 2,949.06 : x
  2. Step 2: Convert to fraction form
    4,938.88/6,815.76 = 2,949.06/x
  3. Step 3: Cross multiply
    4,938.88x = 6,815.76 × 2,949.06
  4. Step 4: Simplify right side
    4,938.88x = 20,100,085.19
  5. Step 5: Solve for x
    x = 20,100,085.19/4,938.88
  6. Step 6: Final answer
    x = 4,069.77

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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.