Home / 5,571.24-7,688.16-3,213.24

Finding the Fourth Proportional to 5,571.24, 7,688.16 and 3,213.24

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Solution

The fourth proportional to 5,571.24, 7,688.16 and 3,213.24 is: 4,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.24 : 7,688.16 = 3,213.24 : x
  2. Step 2: Convert to fraction form
    5,571.24/7,688.16 = 3,213.24/x
  3. Step 3: Cross multiply
    5,571.24x = 7,688.16 × 3,213.24
  4. Step 4: Simplify right side
    5,571.24x = 24,703,903.24
  5. Step 5: Solve for x
    x = 24,703,903.24/5,571.24
  6. Step 6: Final answer
    x = 4,434.18

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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.