Home / 7,342.98-11,003.78-3,395.45

Finding the Fourth Proportional to 7,342.98, 11,003.78 and 3,395.45

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Solution

The fourth proportional to 7,342.98, 11,003.78 and 3,395.45 is: 5,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.98 : 11,003.78 = 3,395.45 : x
  2. Step 2: Convert to fraction form
    7,342.98/11,003.78 = 3,395.45/x
  3. Step 3: Cross multiply
    7,342.98x = 11,003.78 × 3,395.45
  4. Step 4: Simplify right side
    7,342.98x = 37,362,712.80
  5. Step 5: Solve for x
    x = 37,362,712.80/7,342.98
  6. Step 6: Final answer
    x = 5,088.22

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1.5x scale

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.