Home / 7,785.72-11,674.26-2,588.76

Finding the Fourth Proportional to 7,785.72, 11,674.26 and 2,588.76

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Solution

The fourth proportional to 7,785.72, 11,674.26 and 2,588.76 is: 3,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.72 : 11,674.26 = 2,588.76 : x
  2. Step 2: Convert to fraction form
    7,785.72/11,674.26 = 2,588.76/x
  3. Step 3: Cross multiply
    7,785.72x = 11,674.26 × 2,588.76
  4. Step 4: Simplify right side
    7,785.72x = 30,221,857.32
  5. Step 5: Solve for x
    x = 30,221,857.32/7,785.72
  6. Step 6: Final answer
    x = 3,881.70

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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.