Home / 8,211.52-11,331.88-4,485.52

Finding the Fourth Proportional to 8,211.52, 11,331.88 and 4,485.52

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Solution

The fourth proportional to 8,211.52, 11,331.88 and 4,485.52 is: 6,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.52 : 11,331.88 = 4,485.52 : x
  2. Step 2: Convert to fraction form
    8,211.52/11,331.88 = 4,485.52/x
  3. Step 3: Cross multiply
    8,211.52x = 11,331.88 × 4,485.52
  4. Step 4: Simplify right side
    8,211.52x = 50,829,374.38
  5. Step 5: Solve for x
    x = 50,829,374.38/8,211.52
  6. Step 6: Final answer
    x = 6,190.01

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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.