Home / 7,585.78-11,378.68-2,392.06

Finding the Fourth Proportional to 7,585.78, 11,378.68 and 2,392.06

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Solution

The fourth proportional to 7,585.78, 11,378.68 and 2,392.06 is: 3,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.78 : 11,378.68 = 2,392.06 : x
  2. Step 2: Convert to fraction form
    7,585.78/11,378.68 = 2,392.06/x
  3. Step 3: Cross multiply
    7,585.78x = 11,378.68 × 2,392.06
  4. Step 4: Simplify right side
    7,585.78x = 27,218,485.28
  5. Step 5: Solve for x
    x = 27,218,485.28/7,585.78
  6. Step 6: Final answer
    x = 3,588.09

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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.