Home / 4,687.39-7,031.08-1,915.37

Finding the Fourth Proportional to 4,687.39, 7,031.08 and 1,915.37

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Solution

The fourth proportional to 4,687.39, 7,031.08 and 1,915.37 is: 2,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.39 : 7,031.08 = 1,915.37 : x
  2. Step 2: Convert to fraction form
    4,687.39/7,031.08 = 1,915.37/x
  3. Step 3: Cross multiply
    4,687.39x = 7,031.08 × 1,915.37
  4. Step 4: Simplify right side
    4,687.39x = 13,467,119.70
  5. Step 5: Solve for x
    x = 13,467,119.70/4,687.39
  6. Step 6: Final answer
    x = 2,873.05

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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.