Home / 8,158.28-11,247.52-6,485.24

Finding the Fourth Proportional to 8,158.28, 11,247.52 and 6,485.24

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Solution

The fourth proportional to 8,158.28, 11,247.52 and 6,485.24 is: 8,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.28 : 11,247.52 = 6,485.24 : x
  2. Step 2: Convert to fraction form
    8,158.28/11,247.52 = 6,485.24/x
  3. Step 3: Cross multiply
    8,158.28x = 11,247.52 × 6,485.24
  4. Step 4: Simplify right side
    8,158.28x = 72,942,866.60
  5. Step 5: Solve for x
    x = 72,942,866.60/8,158.28
  6. Step 6: Final answer
    x = 8,940.96

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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.