Home / 7,286.11-10,929.16-2,903.60

Finding the Fourth Proportional to 7,286.11, 10,929.16 and 2,903.60

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Solution

The fourth proportional to 7,286.11, 10,929.16 and 2,903.60 is: 4,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.11 : 10,929.16 = 2,903.60 : x
  2. Step 2: Convert to fraction form
    7,286.11/10,929.16 = 2,903.60/x
  3. Step 3: Cross multiply
    7,286.11x = 10,929.16 × 2,903.60
  4. Step 4: Simplify right side
    7,286.11x = 31,733,939.93
  5. Step 5: Solve for x
    x = 31,733,939.93/7,286.11
  6. Step 6: Final answer
    x = 4,355.40

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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.