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Finding the Fourth Proportional to 8,124.63, 11,212.01 and 4,398.63

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Solution

The fourth proportional to 8,124.63, 11,212.01 and 4,398.63 is: 6,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.63 : 11,212.01 = 4,398.63 : x
  2. Step 2: Convert to fraction form
    8,124.63/11,212.01 = 4,398.63/x
  3. Step 3: Cross multiply
    8,124.63x = 11,212.01 × 4,398.63
  4. Step 4: Simplify right side
    8,124.63x = 49,317,483.55
  5. Step 5: Solve for x
    x = 49,317,483.55/8,124.63
  6. Step 6: Final answer
    x = 6,070.12

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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.