Home / 4,890.60-7,335.90-1,968.22

Finding the Fourth Proportional to 4,890.60, 7,335.90 and 1,968.22

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Solution

The fourth proportional to 4,890.60, 7,335.90 and 1,968.22 is: 2,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.60 : 7,335.90 = 1,968.22 : x
  2. Step 2: Convert to fraction form
    4,890.60/7,335.90 = 1,968.22/x
  3. Step 3: Cross multiply
    4,890.60x = 7,335.90 × 1,968.22
  4. Step 4: Simplify right side
    4,890.60x = 14,438,703.20
  5. Step 5: Solve for x
    x = 14,438,703.20/4,890.60
  6. Step 6: Final answer
    x = 2,952.34

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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.