Home / 7,808.24-11,708.58-2,880.20

Finding the Fourth Proportional to 7,808.24, 11,708.58 and 2,880.20

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Solution

The fourth proportional to 7,808.24, 11,708.58 and 2,880.20 is: 4,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.24 : 11,708.58 = 2,880.20 : x
  2. Step 2: Convert to fraction form
    7,808.24/11,708.58 = 2,880.20/x
  3. Step 3: Cross multiply
    7,808.24x = 11,708.58 × 2,880.20
  4. Step 4: Simplify right side
    7,808.24x = 33,723,052.12
  5. Step 5: Solve for x
    x = 33,723,052.12/7,808.24
  6. Step 6: Final answer
    x = 4,318.91

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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.