Home / 6,410.07-8,845.88-3,615.57

Finding the Fourth Proportional to 6,410.07, 8,845.88 and 3,615.57

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Solution

The fourth proportional to 6,410.07, 8,845.88 and 3,615.57 is: 4,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.07 : 8,845.88 = 3,615.57 : x
  2. Step 2: Convert to fraction form
    6,410.07/8,845.88 = 3,615.57/x
  3. Step 3: Cross multiply
    6,410.07x = 8,845.88 × 3,615.57
  4. Step 4: Simplify right side
    6,410.07x = 31,982,898.35
  5. Step 5: Solve for x
    x = 31,982,898.35/6,410.07
  6. Step 6: Final answer
    x = 4,989.48

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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.