Home / 8,756.08-13,139.56-3,561.94

Finding the Fourth Proportional to 8,756.08, 13,139.56 and 3,561.94

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Solution

The fourth proportional to 8,756.08, 13,139.56 and 3,561.94 is: 5,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.08 : 13,139.56 = 3,561.94 : x
  2. Step 2: Convert to fraction form
    8,756.08/13,139.56 = 3,561.94/x
  3. Step 3: Cross multiply
    8,756.08x = 13,139.56 × 3,561.94
  4. Step 4: Simplify right side
    8,756.08x = 46,802,324.35
  5. Step 5: Solve for x
    x = 46,802,324.35/8,756.08
  6. Step 6: Final answer
    x = 5,345.12

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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.