Home / 5,090.95-7,025.79-2,853.55

Finding the Fourth Proportional to 5,090.95, 7,025.79 and 2,853.55

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Solution

The fourth proportional to 5,090.95, 7,025.79 and 2,853.55 is: 3,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.95 : 7,025.79 = 2,853.55 : x
  2. Step 2: Convert to fraction form
    5,090.95/7,025.79 = 2,853.55/x
  3. Step 3: Cross multiply
    5,090.95x = 7,025.79 × 2,853.55
  4. Step 4: Simplify right side
    5,090.95x = 20,048,406.97
  5. Step 5: Solve for x
    x = 20,048,406.97/5,090.95
  6. Step 6: Final answer
    x = 3,938.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.