Home / 6,881.68-10,320.49-1,951.75

Finding the Fourth Proportional to 6,881.68, 10,320.49 and 1,951.75

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Solution

The fourth proportional to 6,881.68, 10,320.49 and 1,951.75 is: 2,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.68 : 10,320.49 = 1,951.75 : x
  2. Step 2: Convert to fraction form
    6,881.68/10,320.49 = 1,951.75/x
  3. Step 3: Cross multiply
    6,881.68x = 10,320.49 × 1,951.75
  4. Step 4: Simplify right side
    6,881.68x = 20,142,955.00
  5. Step 5: Solve for x
    x = 20,142,955.00/6,881.68
  6. Step 6: Final answer
    x = 2,927.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.