Home / 4,645.20-6,968.08-1,871.52

Finding the Fourth Proportional to 4,645.20, 6,968.08 and 1,871.52

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Solution

The fourth proportional to 4,645.20, 6,968.08 and 1,871.52 is: 2,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.20 : 6,968.08 = 1,871.52 : x
  2. Step 2: Convert to fraction form
    4,645.20/6,968.08 = 1,871.52/x
  3. Step 3: Cross multiply
    4,645.20x = 6,968.08 × 1,871.52
  4. Step 4: Simplify right side
    4,645.20x = 13,040,901.08
  5. Step 5: Solve for x
    x = 13,040,901.08/4,645.20
  6. Step 6: Final answer
    x = 2,807.39

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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.