Home / 8,293.28-12,448.08-6,915.44

Finding the Fourth Proportional to 8,293.28, 12,448.08 and 6,915.44

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Solution

The fourth proportional to 8,293.28, 12,448.08 and 6,915.44 is: 10,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.28 : 12,448.08 = 6,915.44 : x
  2. Step 2: Convert to fraction form
    8,293.28/12,448.08 = 6,915.44/x
  3. Step 3: Cross multiply
    8,293.28x = 12,448.08 × 6,915.44
  4. Step 4: Simplify right side
    8,293.28x = 86,083,950.36
  5. Step 5: Solve for x
    x = 86,083,950.36/8,293.28
  6. Step 6: Final answer
    x = 10,379.96

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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.