Home / 8,391.16-12,569.46-4,926.52

Finding the Fourth Proportional to 8,391.16, 12,569.46 and 4,926.52

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Solution

The fourth proportional to 8,391.16, 12,569.46 and 4,926.52 is: 7,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.16 : 12,569.46 = 4,926.52 : x
  2. Step 2: Convert to fraction form
    8,391.16/12,569.46 = 4,926.52/x
  3. Step 3: Cross multiply
    8,391.16x = 12,569.46 × 4,926.52
  4. Step 4: Simplify right side
    8,391.16x = 61,923,696.08
  5. Step 5: Solve for x
    x = 61,923,696.08/8,391.16
  6. Step 6: Final answer
    x = 7,379.63

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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.