Home / 8,064.81-11,133.18-5,380.49

Finding the Fourth Proportional to 8,064.81, 11,133.18 and 5,380.49

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Solution

The fourth proportional to 8,064.81, 11,133.18 and 5,380.49 is: 7,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.81 : 11,133.18 = 5,380.49 : x
  2. Step 2: Convert to fraction form
    8,064.81/11,133.18 = 5,380.49/x
  3. Step 3: Cross multiply
    8,064.81x = 11,133.18 × 5,380.49
  4. Step 4: Simplify right side
    8,064.81x = 59,901,963.66
  5. Step 5: Solve for x
    x = 59,901,963.66/8,064.81
  6. Step 6: Final answer
    x = 7,427.57

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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.