Home / 9,199.58-12,697.17-5,221.07

Finding the Fourth Proportional to 9,199.58, 12,697.17 and 5,221.07

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Solution

The fourth proportional to 9,199.58, 12,697.17 and 5,221.07 is: 7,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.58 : 12,697.17 = 5,221.07 : x
  2. Step 2: Convert to fraction form
    9,199.58/12,697.17 = 5,221.07/x
  3. Step 3: Cross multiply
    9,199.58x = 12,697.17 × 5,221.07
  4. Step 4: Simplify right side
    9,199.58x = 66,292,749.89
  5. Step 5: Solve for x
    x = 66,292,749.89/9,199.58
  6. Step 6: Final answer
    x = 7,206.06

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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.