Home / 4,124.40-6,186.45-1,658.55

Finding the Fourth Proportional to 4,124.40, 6,186.45 and 1,658.55

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Solution

The fourth proportional to 4,124.40, 6,186.45 and 1,658.55 is: 2,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.40 : 6,186.45 = 1,658.55 : x
  2. Step 2: Convert to fraction form
    4,124.40/6,186.45 = 1,658.55/x
  3. Step 3: Cross multiply
    4,124.40x = 6,186.45 × 1,658.55
  4. Step 4: Simplify right side
    4,124.40x = 10,260,536.65
  5. Step 5: Solve for x
    x = 10,260,536.65/4,124.40
  6. Step 6: Final answer
    x = 2,487.76

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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.