Home / 6,410.43-8,846.05-3,615.75

Finding the Fourth Proportional to 6,410.43, 8,846.05 and 3,615.75

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Solution

The fourth proportional to 6,410.43, 8,846.05 and 3,615.75 is: 4,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.43 : 8,846.05 = 3,615.75 : x
  2. Step 2: Convert to fraction form
    6,410.43/8,846.05 = 3,615.75/x
  3. Step 3: Cross multiply
    6,410.43x = 8,846.05 × 3,615.75
  4. Step 4: Simplify right side
    6,410.43x = 31,985,105.29
  5. Step 5: Solve for x
    x = 31,985,105.29/6,410.43
  6. Step 6: Final answer
    x = 4,989.54

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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.