Home / 5,214.21-7,195.63-2,856.35

Finding the Fourth Proportional to 5,214.21, 7,195.63 and 2,856.35

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Solution

The fourth proportional to 5,214.21, 7,195.63 and 2,856.35 is: 3,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.21 : 7,195.63 = 2,856.35 : x
  2. Step 2: Convert to fraction form
    5,214.21/7,195.63 = 2,856.35/x
  3. Step 3: Cross multiply
    5,214.21x = 7,195.63 × 2,856.35
  4. Step 4: Simplify right side
    5,214.21x = 20,553,208.91
  5. Step 5: Solve for x
    x = 20,553,208.91/5,214.21
  6. Step 6: Final answer
    x = 3,941.77

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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.