Home / 5,915.19-8,165.30-3,556.88

Finding the Fourth Proportional to 5,915.19, 8,165.30 and 3,556.88

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Solution

The fourth proportional to 5,915.19, 8,165.30 and 3,556.88 is: 4,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.19 : 8,165.30 = 3,556.88 : x
  2. Step 2: Convert to fraction form
    5,915.19/8,165.30 = 3,556.88/x
  3. Step 3: Cross multiply
    5,915.19x = 8,165.30 × 3,556.88
  4. Step 4: Simplify right side
    5,915.19x = 29,042,933.65
  5. Step 5: Solve for x
    x = 29,042,933.65/5,915.19
  6. Step 6: Final answer
    x = 4,909.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.