Home / 9,201.24-12,697.92-5,221.98

Finding the Fourth Proportional to 9,201.24, 12,697.92 and 5,221.98

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Solution

The fourth proportional to 9,201.24, 12,697.92 and 5,221.98 is: 7,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.24 : 12,697.92 = 5,221.98 : x
  2. Step 2: Convert to fraction form
    9,201.24/12,697.92 = 5,221.98/x
  3. Step 3: Cross multiply
    9,201.24x = 12,697.92 × 5,221.98
  4. Step 4: Simplify right side
    9,201.24x = 66,308,284.28
  5. Step 5: Solve for x
    x = 66,308,284.28/9,201.24
  6. Step 6: Final answer
    x = 7,206.45

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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.