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Finding the Fourth Proportional to 8,394.03, 11,578.95 and 5,035.77

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Solution

The fourth proportional to 8,394.03, 11,578.95 and 5,035.77 is: 6,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.03 : 11,578.95 = 5,035.77 : x
  2. Step 2: Convert to fraction form
    8,394.03/11,578.95 = 5,035.77/x
  3. Step 3: Cross multiply
    8,394.03x = 11,578.95 × 5,035.77
  4. Step 4: Simplify right side
    8,394.03x = 58,308,929.04
  5. Step 5: Solve for x
    x = 58,308,929.04/8,394.03
  6. Step 6: Final answer
    x = 6,946.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.