Home / 6,356.15-8,771.06-3,561.11

Finding the Fourth Proportional to 6,356.15, 8,771.06 and 3,561.11

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Solution

The fourth proportional to 6,356.15, 8,771.06 and 3,561.11 is: 4,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.15 : 8,771.06 = 3,561.11 : x
  2. Step 2: Convert to fraction form
    6,356.15/8,771.06 = 3,561.11/x
  3. Step 3: Cross multiply
    6,356.15x = 8,771.06 × 3,561.11
  4. Step 4: Simplify right side
    6,356.15x = 31,234,674.52
  5. Step 5: Solve for x
    x = 31,234,674.52/6,356.15
  6. Step 6: Final answer
    x = 4,914.09

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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.