Home / 5,511.23-8,260.69-2,386.55

Finding the Fourth Proportional to 5,511.23, 8,260.69 and 2,386.55

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Solution

The fourth proportional to 5,511.23, 8,260.69 and 2,386.55 is: 3,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.23 : 8,260.69 = 2,386.55 : x
  2. Step 2: Convert to fraction form
    5,511.23/8,260.69 = 2,386.55/x
  3. Step 3: Cross multiply
    5,511.23x = 8,260.69 × 2,386.55
  4. Step 4: Simplify right side
    5,511.23x = 19,714,549.72
  5. Step 5: Solve for x
    x = 19,714,549.72/5,511.23
  6. Step 6: Final answer
    x = 3,577.16

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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.