Home / 8,210.05-12,314.98-5,571.02

Finding the Fourth Proportional to 8,210.05, 12,314.98 and 5,571.02

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Solution

The fourth proportional to 8,210.05, 12,314.98 and 5,571.02 is: 8,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.05 : 12,314.98 = 5,571.02 : x
  2. Step 2: Convert to fraction form
    8,210.05/12,314.98 = 5,571.02/x
  3. Step 3: Cross multiply
    8,210.05x = 12,314.98 × 5,571.02
  4. Step 4: Simplify right side
    8,210.05x = 68,606,999.88
  5. Step 5: Solve for x
    x = 68,606,999.88/8,210.05
  6. Step 6: Final answer
    x = 8,356.47

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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.