Home / 9,379.47-14,062.21-3,135.78

Finding the Fourth Proportional to 9,379.47, 14,062.21 and 3,135.78

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Solution

The fourth proportional to 9,379.47, 14,062.21 and 3,135.78 is: 4,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.47 : 14,062.21 = 3,135.78 : x
  2. Step 2: Convert to fraction form
    9,379.47/14,062.21 = 3,135.78/x
  3. Step 3: Cross multiply
    9,379.47x = 14,062.21 × 3,135.78
  4. Step 4: Simplify right side
    9,379.47x = 44,095,981.19
  5. Step 5: Solve for x
    x = 44,095,981.19/9,379.47
  6. Step 6: Final answer
    x = 4,701.33

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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.