Home / 7,286.79-10,931.33-3,126.83

Finding the Fourth Proportional to 7,286.79, 10,931.33 and 3,126.83

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Solution

The fourth proportional to 7,286.79, 10,931.33 and 3,126.83 is: 4,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.79 : 10,931.33 = 3,126.83 : x
  2. Step 2: Convert to fraction form
    7,286.79/10,931.33 = 3,126.83/x
  3. Step 3: Cross multiply
    7,286.79x = 10,931.33 × 3,126.83
  4. Step 4: Simplify right side
    7,286.79x = 34,180,410.58
  5. Step 5: Solve for x
    x = 34,180,410.58/7,286.79
  6. Step 6: Final answer
    x = 4,690.74

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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.