Home / 4,941.71-6,819.72-2,817.55

Finding the Fourth Proportional to 4,941.71, 6,819.72 and 2,817.55

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Solution

The fourth proportional to 4,941.71, 6,819.72 and 2,817.55 is: 3,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.71 : 6,819.72 = 2,817.55 : x
  2. Step 2: Convert to fraction form
    4,941.71/6,819.72 = 2,817.55/x
  3. Step 3: Cross multiply
    4,941.71x = 6,819.72 × 2,817.55
  4. Step 4: Simplify right side
    4,941.71x = 19,214,885.04
  5. Step 5: Solve for x
    x = 19,214,885.04/4,941.71
  6. Step 6: Final answer
    x = 3,888.31

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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.