Home / 6,828.20-10,242.28-1,897.86

Finding the Fourth Proportional to 6,828.20, 10,242.28 and 1,897.86

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Solution

The fourth proportional to 6,828.20, 10,242.28 and 1,897.86 is: 2,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.20 : 10,242.28 = 1,897.86 : x
  2. Step 2: Convert to fraction form
    6,828.20/10,242.28 = 1,897.86/x
  3. Step 3: Cross multiply
    6,828.20x = 10,242.28 × 1,897.86
  4. Step 4: Simplify right side
    6,828.20x = 19,438,454.30
  5. Step 5: Solve for x
    x = 19,438,454.30/6,828.20
  6. Step 6: Final answer
    x = 2,846.79

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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.