Home / 8,299.34-12,444.68-3,915.62

Finding the Fourth Proportional to 8,299.34, 12,444.68 and 3,915.62

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Solution

The fourth proportional to 8,299.34, 12,444.68 and 3,915.62 is: 5,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.34 : 12,444.68 = 3,915.62 : x
  2. Step 2: Convert to fraction form
    8,299.34/12,444.68 = 3,915.62/x
  3. Step 3: Cross multiply
    8,299.34x = 12,444.68 × 3,915.62
  4. Step 4: Simplify right side
    8,299.34x = 48,728,637.90
  5. Step 5: Solve for x
    x = 48,728,637.90/8,299.34
  6. Step 6: Final answer
    x = 5,871.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.