Home / 7,900.09-11,854.28-3,223.55

Finding the Fourth Proportional to 7,900.09, 11,854.28 and 3,223.55

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Solution

The fourth proportional to 7,900.09, 11,854.28 and 3,223.55 is: 4,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.09 : 11,854.28 = 3,223.55 : x
  2. Step 2: Convert to fraction form
    7,900.09/11,854.28 = 3,223.55/x
  3. Step 3: Cross multiply
    7,900.09x = 11,854.28 × 3,223.55
  4. Step 4: Simplify right side
    7,900.09x = 38,212,864.29
  5. Step 5: Solve for x
    x = 38,212,864.29/7,900.09
  6. Step 6: Final answer
    x = 4,837.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.