Home / 4,215.52-5,817.99-3,165.76

Finding the Fourth Proportional to 4,215.52, 5,817.99 and 3,165.76

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Solution

The fourth proportional to 4,215.52, 5,817.99 and 3,165.76 is: 4,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.52 : 5,817.99 = 3,165.76 : x
  2. Step 2: Convert to fraction form
    4,215.52/5,817.99 = 3,165.76/x
  3. Step 3: Cross multiply
    4,215.52x = 5,817.99 × 3,165.76
  4. Step 4: Simplify right side
    4,215.52x = 18,418,360.02
  5. Step 5: Solve for x
    x = 18,418,360.02/4,215.52
  6. Step 6: Final answer
    x = 4,369.18

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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.