Home / 8,410.35-11,593.61-6,915.68

Finding the Fourth Proportional to 8,410.35, 11,593.61 and 6,915.68

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Solution

The fourth proportional to 8,410.35, 11,593.61 and 6,915.68 is: 9,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.35 : 11,593.61 = 6,915.68 : x
  2. Step 2: Convert to fraction form
    8,410.35/11,593.61 = 6,915.68/x
  3. Step 3: Cross multiply
    8,410.35x = 11,593.61 × 6,915.68
  4. Step 4: Simplify right side
    8,410.35x = 80,177,604.26
  5. Step 5: Solve for x
    x = 80,177,604.26/8,410.35
  6. Step 6: Final answer
    x = 9,533.21

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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.