Home / 8,127.41-11,212.47-5,475.66

Finding the Fourth Proportional to 8,127.41, 11,212.47 and 5,475.66

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Solution

The fourth proportional to 8,127.41, 11,212.47 and 5,475.66 is: 7,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.41 : 11,212.47 = 5,475.66 : x
  2. Step 2: Convert to fraction form
    8,127.41/11,212.47 = 5,475.66/x
  3. Step 3: Cross multiply
    8,127.41x = 11,212.47 × 5,475.66
  4. Step 4: Simplify right side
    8,127.41x = 61,395,673.48
  5. Step 5: Solve for x
    x = 61,395,673.48/8,127.41
  6. Step 6: Final answer
    x = 7,554.15

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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.