Home / 5,216.28-7,204.86-4,222.68

Finding the Fourth Proportional to 5,216.28, 7,204.86 and 4,222.68

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Solution

The fourth proportional to 5,216.28, 7,204.86 and 4,222.68 is: 5,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.28 : 7,204.86 = 4,222.68 : x
  2. Step 2: Convert to fraction form
    5,216.28/7,204.86 = 4,222.68/x
  3. Step 3: Cross multiply
    5,216.28x = 7,204.86 × 4,222.68
  4. Step 4: Simplify right side
    5,216.28x = 30,423,818.22
  5. Step 5: Solve for x
    x = 30,423,818.22/5,216.28
  6. Step 6: Final answer
    x = 5,832.47

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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.