Home / 6,403.74-8,837.17-3,571.05

Finding the Fourth Proportional to 6,403.74, 8,837.17 and 3,571.05

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Solution

The fourth proportional to 6,403.74, 8,837.17 and 3,571.05 is: 4,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.74 : 8,837.17 = 3,571.05 : x
  2. Step 2: Convert to fraction form
    6,403.74/8,837.17 = 3,571.05/x
  3. Step 3: Cross multiply
    6,403.74x = 8,837.17 × 3,571.05
  4. Step 4: Simplify right side
    6,403.74x = 31,557,975.93
  5. Step 5: Solve for x
    x = 31,557,975.93/6,403.74
  6. Step 6: Final answer
    x = 4,928.05

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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.