Home / 4,218.52-6,330.54-1,910.08

Finding the Fourth Proportional to 4,218.52, 6,330.54 and 1,910.08

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Solution

The fourth proportional to 4,218.52, 6,330.54 and 1,910.08 is: 2,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.52 : 6,330.54 = 1,910.08 : x
  2. Step 2: Convert to fraction form
    4,218.52/6,330.54 = 1,910.08/x
  3. Step 3: Cross multiply
    4,218.52x = 6,330.54 × 1,910.08
  4. Step 4: Simplify right side
    4,218.52x = 12,091,837.84
  5. Step 5: Solve for x
    x = 12,091,837.84/4,218.52
  6. Step 6: Final answer
    x = 2,866.37

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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.