Home / 6,848.80-10,271.96-1,917.22

Finding the Fourth Proportional to 6,848.80, 10,271.96 and 1,917.22

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Solution

The fourth proportional to 6,848.80, 10,271.96 and 1,917.22 is: 2,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.80 : 10,271.96 = 1,917.22 : x
  2. Step 2: Convert to fraction form
    6,848.80/10,271.96 = 1,917.22/x
  3. Step 3: Cross multiply
    6,848.80x = 10,271.96 × 1,917.22
  4. Step 4: Simplify right side
    6,848.80x = 19,693,609.12
  5. Step 5: Solve for x
    x = 19,693,609.12/6,848.80
  6. Step 6: Final answer
    x = 2,875.48

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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.