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Finding the Fourth Proportional to 5,571.48, 8,319.03 and 5,369.88

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Solution

The fourth proportional to 5,571.48, 8,319.03 and 5,369.88 is: 8,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.48 : 8,319.03 = 5,369.88 : x
  2. Step 2: Convert to fraction form
    5,571.48/8,319.03 = 5,369.88/x
  3. Step 3: Cross multiply
    5,571.48x = 8,319.03 × 5,369.88
  4. Step 4: Simplify right side
    5,571.48x = 44,672,192.82
  5. Step 5: Solve for x
    x = 44,672,192.82/5,571.48
  6. Step 6: Final answer
    x = 8,018.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.