Home / 6,847.34-10,270.20-1,917.36

Finding the Fourth Proportional to 6,847.34, 10,270.20 and 1,917.36

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Solution

The fourth proportional to 6,847.34, 10,270.20 and 1,917.36 is: 2,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.34 : 10,270.20 = 1,917.36 : x
  2. Step 2: Convert to fraction form
    6,847.34/10,270.20 = 1,917.36/x
  3. Step 3: Cross multiply
    6,847.34x = 10,270.20 × 1,917.36
  4. Step 4: Simplify right side
    6,847.34x = 19,691,670.67
  5. Step 5: Solve for x
    x = 19,691,670.67/6,847.34
  6. Step 6: Final answer
    x = 2,875.82

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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.