Home / 5,080.09-7,618.24-1,747.40

Finding the Fourth Proportional to 5,080.09, 7,618.24 and 1,747.40

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Solution

The fourth proportional to 5,080.09, 7,618.24 and 1,747.40 is: 2,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.09 : 7,618.24 = 1,747.40 : x
  2. Step 2: Convert to fraction form
    5,080.09/7,618.24 = 1,747.40/x
  3. Step 3: Cross multiply
    5,080.09x = 7,618.24 × 1,747.40
  4. Step 4: Simplify right side
    5,080.09x = 13,312,112.58
  5. Step 5: Solve for x
    x = 13,312,112.58/5,080.09
  6. Step 6: Final answer
    x = 2,620.45

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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.