Home / 5,571.18-8,353.53-2,108.70

Finding the Fourth Proportional to 5,571.18, 8,353.53 and 2,108.70

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Solution

The fourth proportional to 5,571.18, 8,353.53 and 2,108.70 is: 3,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.18 : 8,353.53 = 2,108.70 : x
  2. Step 2: Convert to fraction form
    5,571.18/8,353.53 = 2,108.70/x
  3. Step 3: Cross multiply
    5,571.18x = 8,353.53 × 2,108.70
  4. Step 4: Simplify right side
    5,571.18x = 17,615,088.71
  5. Step 5: Solve for x
    x = 17,615,088.71/5,571.18
  6. Step 6: Final answer
    x = 3,161.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.