Home / 7,785.48-11,670.66-2,588.52

Finding the Fourth Proportional to 7,785.48, 11,670.66 and 2,588.52

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Solution

The fourth proportional to 7,785.48, 11,670.66 and 2,588.52 is: 3,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.48 : 11,670.66 = 2,588.52 : x
  2. Step 2: Convert to fraction form
    7,785.48/11,670.66 = 2,588.52/x
  3. Step 3: Cross multiply
    7,785.48x = 11,670.66 × 2,588.52
  4. Step 4: Simplify right side
    7,785.48x = 30,209,736.82
  5. Step 5: Solve for x
    x = 30,209,736.82/7,785.48
  6. Step 6: Final answer
    x = 3,880.27

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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.