Home / 4,890.18-7,335.45-2,113.05

Finding the Fourth Proportional to 4,890.18, 7,335.45 and 2,113.05

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Solution

The fourth proportional to 4,890.18, 7,335.45 and 2,113.05 is: 3,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.18 : 7,335.45 = 2,113.05 : x
  2. Step 2: Convert to fraction form
    4,890.18/7,335.45 = 2,113.05/x
  3. Step 3: Cross multiply
    4,890.18x = 7,335.45 × 2,113.05
  4. Step 4: Simplify right side
    4,890.18x = 15,500,172.62
  5. Step 5: Solve for x
    x = 15,500,172.62/4,890.18
  6. Step 6: Final answer
    x = 3,169.65

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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.