Home / 8,237.81-12,358.29-3,307.85

Finding the Fourth Proportional to 8,237.81, 12,358.29 and 3,307.85

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Solution

The fourth proportional to 8,237.81, 12,358.29 and 3,307.85 is: 4,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.81 : 12,358.29 = 3,307.85 : x
  2. Step 2: Convert to fraction form
    8,237.81/12,358.29 = 3,307.85/x
  3. Step 3: Cross multiply
    8,237.81x = 12,358.29 × 3,307.85
  4. Step 4: Simplify right side
    8,237.81x = 40,879,366.53
  5. Step 5: Solve for x
    x = 40,879,366.53/8,237.81
  6. Step 6: Final answer
    x = 4,962.41

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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.