Home / 6,848.74-10,272.10-1,918.07

Finding the Fourth Proportional to 6,848.74, 10,272.10 and 1,918.07

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Solution

The fourth proportional to 6,848.74, 10,272.10 and 1,918.07 is: 2,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.74 : 10,272.10 = 1,918.07 : x
  2. Step 2: Convert to fraction form
    6,848.74/10,272.10 = 1,918.07/x
  3. Step 3: Cross multiply
    6,848.74x = 10,272.10 × 1,918.07
  4. Step 4: Simplify right side
    6,848.74x = 19,702,606.85
  5. Step 5: Solve for x
    x = 19,702,606.85/6,848.74
  6. Step 6: Final answer
    x = 2,876.82

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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.