Home / 6,387.26-8,814.32-3,697.45

Finding the Fourth Proportional to 6,387.26, 8,814.32 and 3,697.45

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Solution

The fourth proportional to 6,387.26, 8,814.32 and 3,697.45 is: 5,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.26 : 8,814.32 = 3,697.45 : x
  2. Step 2: Convert to fraction form
    6,387.26/8,814.32 = 3,697.45/x
  3. Step 3: Cross multiply
    6,387.26x = 8,814.32 × 3,697.45
  4. Step 4: Simplify right side
    6,387.26x = 32,590,480.83
  5. Step 5: Solve for x
    x = 32,590,480.83/6,387.26
  6. Step 6: Final answer
    x = 5,102.42

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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.