Home / 6,828.28-10,242.42-1,897.92

Finding the Fourth Proportional to 6,828.28, 10,242.42 and 1,897.92

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Solution

The fourth proportional to 6,828.28, 10,242.42 and 1,897.92 is: 2,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.28 : 10,242.42 = 1,897.92 : x
  2. Step 2: Convert to fraction form
    6,828.28/10,242.42 = 1,897.92/x
  3. Step 3: Cross multiply
    6,828.28x = 10,242.42 × 1,897.92
  4. Step 4: Simplify right side
    6,828.28x = 19,439,293.77
  5. Step 5: Solve for x
    x = 19,439,293.77/6,828.28
  6. Step 6: Final answer
    x = 2,846.88

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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.