Home / 4,219.17-5,820.18-3,222.66

Finding the Fourth Proportional to 4,219.17, 5,820.18 and 3,222.66

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Solution

The fourth proportional to 4,219.17, 5,820.18 and 3,222.66 is: 4,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.17 : 5,820.18 = 3,222.66 : x
  2. Step 2: Convert to fraction form
    4,219.17/5,820.18 = 3,222.66/x
  3. Step 3: Cross multiply
    4,219.17x = 5,820.18 × 3,222.66
  4. Step 4: Simplify right side
    4,219.17x = 18,756,461.28
  5. Step 5: Solve for x
    x = 18,756,461.28/4,219.17
  6. Step 6: Final answer
    x = 4,445.53

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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.