Home / 7,371.36-11,039.85-5,392.02

Finding the Fourth Proportional to 7,371.36, 11,039.85 and 5,392.02

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Solution

The fourth proportional to 7,371.36, 11,039.85 and 5,392.02 is: 8,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.36 : 11,039.85 = 5,392.02 : x
  2. Step 2: Convert to fraction form
    7,371.36/11,039.85 = 5,392.02/x
  3. Step 3: Cross multiply
    7,371.36x = 11,039.85 × 5,392.02
  4. Step 4: Simplify right side
    7,371.36x = 59,527,092.00
  5. Step 5: Solve for x
    x = 59,527,092.00/7,371.36
  6. Step 6: Final answer
    x = 8,075.46

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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.