Home / 7,286.36-10,928.85-3,125.59

Finding the Fourth Proportional to 7,286.36, 10,928.85 and 3,125.59

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Solution

The fourth proportional to 7,286.36, 10,928.85 and 3,125.59 is: 4,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.36 : 10,928.85 = 3,125.59 : x
  2. Step 2: Convert to fraction form
    7,286.36/10,928.85 = 3,125.59/x
  3. Step 3: Cross multiply
    7,286.36x = 10,928.85 × 3,125.59
  4. Step 4: Simplify right side
    7,286.36x = 34,159,074.02
  5. Step 5: Solve for x
    x = 34,159,074.02/7,286.36
  6. Step 6: Final answer
    x = 4,688.09

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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.