Home / 7,127.44-9,835.97-4,297.77

Finding the Fourth Proportional to 7,127.44, 9,835.97 and 4,297.77

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Solution

The fourth proportional to 7,127.44, 9,835.97 and 4,297.77 is: 5,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.44 : 9,835.97 = 4,297.77 : x
  2. Step 2: Convert to fraction form
    7,127.44/9,835.97 = 4,297.77/x
  3. Step 3: Cross multiply
    7,127.44x = 9,835.97 × 4,297.77
  4. Step 4: Simplify right side
    7,127.44x = 42,272,736.79
  5. Step 5: Solve for x
    x = 42,272,736.79/7,127.44
  6. Step 6: Final answer
    x = 5,930.98

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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.