Home / 8,344.46-11,515.34-4,807.60

Finding the Fourth Proportional to 8,344.46, 11,515.34 and 4,807.60

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Solution

The fourth proportional to 8,344.46, 11,515.34 and 4,807.60 is: 6,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.46 : 11,515.34 = 4,807.60 : x
  2. Step 2: Convert to fraction form
    8,344.46/11,515.34 = 4,807.60/x
  3. Step 3: Cross multiply
    8,344.46x = 11,515.34 × 4,807.60
  4. Step 4: Simplify right side
    8,344.46x = 55,361,148.58
  5. Step 5: Solve for x
    x = 55,361,148.58/8,344.46
  6. Step 6: Final answer
    x = 6,634.48

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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.