Home / 4,686.53-7,031.48-2,189.94

Finding the Fourth Proportional to 4,686.53, 7,031.48 and 2,189.94

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Solution

The fourth proportional to 4,686.53, 7,031.48 and 2,189.94 is: 3,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.53 : 7,031.48 = 2,189.94 : x
  2. Step 2: Convert to fraction form
    4,686.53/7,031.48 = 2,189.94/x
  3. Step 3: Cross multiply
    4,686.53x = 7,031.48 × 2,189.94
  4. Step 4: Simplify right side
    4,686.53x = 15,398,481.99
  5. Step 5: Solve for x
    x = 15,398,481.99/4,686.53
  6. Step 6: Final answer
    x = 3,285.69

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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.