Home / 8,969.32-13,456.03-2,730.22

Finding the Fourth Proportional to 8,969.32, 13,456.03 and 2,730.22

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Solution

The fourth proportional to 8,969.32, 13,456.03 and 2,730.22 is: 4,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.32 : 13,456.03 = 2,730.22 : x
  2. Step 2: Convert to fraction form
    8,969.32/13,456.03 = 2,730.22/x
  3. Step 3: Cross multiply
    8,969.32x = 13,456.03 × 2,730.22
  4. Step 4: Simplify right side
    8,969.32x = 36,737,881.76
  5. Step 5: Solve for x
    x = 36,737,881.76/8,969.32
  6. Step 6: Final answer
    x = 4,095.95

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1.5x scale

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.