Home / 4,941.81-6,819.80-2,955.15

Finding the Fourth Proportional to 4,941.81, 6,819.80 and 2,955.15

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Solution

The fourth proportional to 4,941.81, 6,819.80 and 2,955.15 is: 4,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.81 : 6,819.80 = 2,955.15 : x
  2. Step 2: Convert to fraction form
    4,941.81/6,819.80 = 2,955.15/x
  3. Step 3: Cross multiply
    4,941.81x = 6,819.80 × 2,955.15
  4. Step 4: Simplify right side
    4,941.81x = 20,153,517.19
  5. Step 5: Solve for x
    x = 20,153,517.19/4,941.81
  6. Step 6: Final answer
    x = 4,078.17

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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.