Home / 8,269.92-11,415.15-5,293.77

Finding the Fourth Proportional to 8,269.92, 11,415.15 and 5,293.77

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Solution

The fourth proportional to 8,269.92, 11,415.15 and 5,293.77 is: 7,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.92 : 11,415.15 = 5,293.77 : x
  2. Step 2: Convert to fraction form
    8,269.92/11,415.15 = 5,293.77/x
  3. Step 3: Cross multiply
    8,269.92x = 11,415.15 × 5,293.77
  4. Step 4: Simplify right side
    8,269.92x = 60,429,178.62
  5. Step 5: Solve for x
    x = 60,429,178.62/8,269.92
  6. Step 6: Final answer
    x = 7,307.11

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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.