Home / 7,715.63-11,569.46-3,767.07

Finding the Fourth Proportional to 7,715.63, 11,569.46 and 3,767.07

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Solution

The fourth proportional to 7,715.63, 11,569.46 and 3,767.07 is: 5,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.63 : 11,569.46 = 3,767.07 : x
  2. Step 2: Convert to fraction form
    7,715.63/11,569.46 = 3,767.07/x
  3. Step 3: Cross multiply
    7,715.63x = 11,569.46 × 3,767.07
  4. Step 4: Simplify right side
    7,715.63x = 43,582,965.68
  5. Step 5: Solve for x
    x = 43,582,965.68/7,715.63
  6. Step 6: Final answer
    x = 5,648.66

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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.