Home / 4,938.83-6,815.58-2,950.55

Finding the Fourth Proportional to 4,938.83, 6,815.58 and 2,950.55

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Solution

The fourth proportional to 4,938.83, 6,815.58 and 2,950.55 is: 4,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.83 : 6,815.58 = 2,950.55 : x
  2. Step 2: Convert to fraction form
    4,938.83/6,815.58 = 2,950.55/x
  3. Step 3: Cross multiply
    4,938.83x = 6,815.58 × 2,950.55
  4. Step 4: Simplify right side
    4,938.83x = 20,109,675.49
  5. Step 5: Solve for x
    x = 20,109,675.49/4,938.83
  6. Step 6: Final answer
    x = 4,071.75

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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.