Home / 7,674.26-11,511.12-2,480

Finding the Fourth Proportional to 7,674.26, 11,511.12 and 2,480

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Solution

The fourth proportional to 7,674.26, 11,511.12 and 2,480 is: 3,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.26 : 11,511.12 = 2,480 : x
  2. Step 2: Convert to fraction form
    7,674.26/11,511.12 = 2,480/x
  3. Step 3: Cross multiply
    7,674.26x = 11,511.12 × 2,480
  4. Step 4: Simplify right side
    7,674.26x = 28,547,577.60
  5. Step 5: Solve for x
    x = 28,547,577.60/7,674.26
  6. Step 6: Final answer
    x = 3,719.91

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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.