Home / 7,877.26-11,817.92-2,946.93

Finding the Fourth Proportional to 7,877.26, 11,817.92 and 2,946.93

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Solution

The fourth proportional to 7,877.26, 11,817.92 and 2,946.93 is: 4,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.26 : 11,817.92 = 2,946.93 : x
  2. Step 2: Convert to fraction form
    7,877.26/11,817.92 = 2,946.93/x
  3. Step 3: Cross multiply
    7,877.26x = 11,817.92 × 2,946.93
  4. Step 4: Simplify right side
    7,877.26x = 34,826,582.99
  5. Step 5: Solve for x
    x = 34,826,582.99/7,877.26
  6. Step 6: Final answer
    x = 4,421.15

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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.