Home / 8,497.20-11,713.80-6,135.60

Finding the Fourth Proportional to 8,497.20, 11,713.80 and 6,135.60

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Solution

The fourth proportional to 8,497.20, 11,713.80 and 6,135.60 is: 8,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.20 : 11,713.80 = 6,135.60 : x
  2. Step 2: Convert to fraction form
    8,497.20/11,713.80 = 6,135.60/x
  3. Step 3: Cross multiply
    8,497.20x = 11,713.80 × 6,135.60
  4. Step 4: Simplify right side
    8,497.20x = 71,871,191.28
  5. Step 5: Solve for x
    x = 71,871,191.28/8,497.20
  6. Step 6: Final answer
    x = 8,458.22

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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.