Home / 7,718.78-11,580.94-3,036.19

Finding the Fourth Proportional to 7,718.78, 11,580.94 and 3,036.19

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Solution

The fourth proportional to 7,718.78, 11,580.94 and 3,036.19 is: 4,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.78 : 11,580.94 = 3,036.19 : x
  2. Step 2: Convert to fraction form
    7,718.78/11,580.94 = 3,036.19/x
  3. Step 3: Cross multiply
    7,718.78x = 11,580.94 × 3,036.19
  4. Step 4: Simplify right side
    7,718.78x = 35,161,934.22
  5. Step 5: Solve for x
    x = 35,161,934.22/7,718.78
  6. Step 6: Final answer
    x = 4,555.37

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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.