Home / 5,084.73-7,627.77-1,387.08

Finding the Fourth Proportional to 5,084.73, 7,627.77 and 1,387.08

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Solution

The fourth proportional to 5,084.73, 7,627.77 and 1,387.08 is: 2,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.73 : 7,627.77 = 1,387.08 : x
  2. Step 2: Convert to fraction form
    5,084.73/7,627.77 = 1,387.08/x
  3. Step 3: Cross multiply
    5,084.73x = 7,627.77 × 1,387.08
  4. Step 4: Simplify right side
    5,084.73x = 10,580,327.21
  5. Step 5: Solve for x
    x = 10,580,327.21/5,084.73
  6. Step 6: Final answer
    x = 2,080.80

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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.