Home / 7,279.05-10,909.43-3,114.16

Finding the Fourth Proportional to 7,279.05, 10,909.43 and 3,114.16

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Solution

The fourth proportional to 7,279.05, 10,909.43 and 3,114.16 is: 4,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.05 : 10,909.43 = 3,114.16 : x
  2. Step 2: Convert to fraction form
    7,279.05/10,909.43 = 3,114.16/x
  3. Step 3: Cross multiply
    7,279.05x = 10,909.43 × 3,114.16
  4. Step 4: Simplify right side
    7,279.05x = 33,973,710.53
  5. Step 5: Solve for x
    x = 33,973,710.53/7,279.05
  6. Step 6: Final answer
    x = 4,667.33

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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.