Home / 5,221.84-7,204.89-2,953.22

Finding the Fourth Proportional to 5,221.84, 7,204.89 and 2,953.22

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Solution

The fourth proportional to 5,221.84, 7,204.89 and 2,953.22 is: 4,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.84 : 7,204.89 = 2,953.22 : x
  2. Step 2: Convert to fraction form
    5,221.84/7,204.89 = 2,953.22/x
  3. Step 3: Cross multiply
    5,221.84x = 7,204.89 × 2,953.22
  4. Step 4: Simplify right side
    5,221.84x = 21,277,630.19
  5. Step 5: Solve for x
    x = 21,277,630.19/5,221.84
  6. Step 6: Final answer
    x = 4,074.74

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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.