Home / 5,780.63-8,665.73-2,080.25

Finding the Fourth Proportional to 5,780.63, 8,665.73 and 2,080.25

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Solution

The fourth proportional to 5,780.63, 8,665.73 and 2,080.25 is: 3,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.63 : 8,665.73 = 2,080.25 : x
  2. Step 2: Convert to fraction form
    5,780.63/8,665.73 = 2,080.25/x
  3. Step 3: Cross multiply
    5,780.63x = 8,665.73 × 2,080.25
  4. Step 4: Simplify right side
    5,780.63x = 18,026,911.70
  5. Step 5: Solve for x
    x = 18,026,911.70/5,780.63
  6. Step 6: Final answer
    x = 3,118.51

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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.