Home / 9,206.51-12,700.94-6,221.25

Finding the Fourth Proportional to 9,206.51, 12,700.94 and 6,221.25

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Solution

The fourth proportional to 9,206.51, 12,700.94 and 6,221.25 is: 8,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.51 : 12,700.94 = 6,221.25 : x
  2. Step 2: Convert to fraction form
    9,206.51/12,700.94 = 6,221.25/x
  3. Step 3: Cross multiply
    9,206.51x = 12,700.94 × 6,221.25
  4. Step 4: Simplify right side
    9,206.51x = 79,015,691.87
  5. Step 5: Solve for x
    x = 79,015,691.87/9,206.51
  6. Step 6: Final answer
    x = 8,582.59

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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.