Home / 4,148.55-6,221.91-2,389.83

Finding the Fourth Proportional to 4,148.55, 6,221.91 and 2,389.83

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Solution

The fourth proportional to 4,148.55, 6,221.91 and 2,389.83 is: 3,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.55 : 6,221.91 = 2,389.83 : x
  2. Step 2: Convert to fraction form
    4,148.55/6,221.91 = 2,389.83/x
  3. Step 3: Cross multiply
    4,148.55x = 6,221.91 × 2,389.83
  4. Step 4: Simplify right side
    4,148.55x = 14,869,307.18
  5. Step 5: Solve for x
    x = 14,869,307.18/4,148.55
  6. Step 6: Final answer
    x = 3,584.22

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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.