Home / 4,938.93-6,815.80-2,949.66

Finding the Fourth Proportional to 4,938.93, 6,815.80 and 2,949.66

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Solution

The fourth proportional to 4,938.93, 6,815.80 and 2,949.66 is: 4,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.93 : 6,815.80 = 2,949.66 : x
  2. Step 2: Convert to fraction form
    4,938.93/6,815.80 = 2,949.66/x
  3. Step 3: Cross multiply
    4,938.93x = 6,815.80 × 2,949.66
  4. Step 4: Simplify right side
    4,938.93x = 20,104,292.63
  5. Step 5: Solve for x
    x = 20,104,292.63/4,938.93
  6. Step 6: Final answer
    x = 4,070.58

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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.