Home / 5,214.56-7,197-3,119.84

Finding the Fourth Proportional to 5,214.56, 7,197 and 3,119.84

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Solution

The fourth proportional to 5,214.56, 7,197 and 3,119.84 is: 4,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.56 : 7,197 = 3,119.84 : x
  2. Step 2: Convert to fraction form
    5,214.56/7,197 = 3,119.84/x
  3. Step 3: Cross multiply
    5,214.56x = 7,197 × 3,119.84
  4. Step 4: Simplify right side
    5,214.56x = 22,453,488.48
  5. Step 5: Solve for x
    x = 22,453,488.48/5,214.56
  6. Step 6: Final answer
    x = 4,305.92

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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.