Home / 5,203.35-7,178.10-3,213.18

Finding the Fourth Proportional to 5,203.35, 7,178.10 and 3,213.18

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Solution

The fourth proportional to 5,203.35, 7,178.10 and 3,213.18 is: 4,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.35 : 7,178.10 = 3,213.18 : x
  2. Step 2: Convert to fraction form
    5,203.35/7,178.10 = 3,213.18/x
  3. Step 3: Cross multiply
    5,203.35x = 7,178.10 × 3,213.18
  4. Step 4: Simplify right side
    5,203.35x = 23,064,527.36
  5. Step 5: Solve for x
    x = 23,064,527.36/5,203.35
  6. Step 6: Final answer
    x = 4,432.63

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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.