Home / 8,127.27-11,215.80-4,770.36

Finding the Fourth Proportional to 8,127.27, 11,215.80 and 4,770.36

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Solution

The fourth proportional to 8,127.27, 11,215.80 and 4,770.36 is: 6,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.27 : 11,215.80 = 4,770.36 : x
  2. Step 2: Convert to fraction form
    8,127.27/11,215.80 = 4,770.36/x
  3. Step 3: Cross multiply
    8,127.27x = 11,215.80 × 4,770.36
  4. Step 4: Simplify right side
    8,127.27x = 53,503,403.69
  5. Step 5: Solve for x
    x = 53,503,403.69/8,127.27
  6. Step 6: Final answer
    x = 6,583.20

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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.