Home / 8,824.15-13,231.97-5,127.45

Finding the Fourth Proportional to 8,824.15, 13,231.97 and 5,127.45

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Solution

The fourth proportional to 8,824.15, 13,231.97 and 5,127.45 is: 7,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.15 : 13,231.97 = 5,127.45 : x
  2. Step 2: Convert to fraction form
    8,824.15/13,231.97 = 5,127.45/x
  3. Step 3: Cross multiply
    8,824.15x = 13,231.97 × 5,127.45
  4. Step 4: Simplify right side
    8,824.15x = 67,846,264.58
  5. Step 5: Solve for x
    x = 67,846,264.58/8,824.15
  6. Step 6: Final answer
    x = 7,688.70

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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.