Home / 7,100.70-10,643.48-3,395.09

Finding the Fourth Proportional to 7,100.70, 10,643.48 and 3,395.09

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Solution

The fourth proportional to 7,100.70, 10,643.48 and 3,395.09 is: 5,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.70 : 10,643.48 = 3,395.09 : x
  2. Step 2: Convert to fraction form
    7,100.70/10,643.48 = 3,395.09/x
  3. Step 3: Cross multiply
    7,100.70x = 10,643.48 × 3,395.09
  4. Step 4: Simplify right side
    7,100.70x = 36,135,502.32
  5. Step 5: Solve for x
    x = 36,135,502.32/7,100.70
  6. Step 6: Final answer
    x = 5,089.01

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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.