Home / 4,890.29-7,335.35-1,968.52

Finding the Fourth Proportional to 4,890.29, 7,335.35 and 1,968.52

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Solution

The fourth proportional to 4,890.29, 7,335.35 and 1,968.52 is: 2,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.29 : 7,335.35 = 1,968.52 : x
  2. Step 2: Convert to fraction form
    4,890.29/7,335.35 = 1,968.52/x
  3. Step 3: Cross multiply
    4,890.29x = 7,335.35 × 1,968.52
  4. Step 4: Simplify right side
    4,890.29x = 14,439,769.76
  5. Step 5: Solve for x
    x = 14,439,769.76/4,890.29
  6. Step 6: Final answer
    x = 2,952.75

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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.