Home / 5,268.06-7,270.06-2,878.13

Finding the Fourth Proportional to 5,268.06, 7,270.06 and 2,878.13

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Solution

The fourth proportional to 5,268.06, 7,270.06 and 2,878.13 is: 3,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.06 : 7,270.06 = 2,878.13 : x
  2. Step 2: Convert to fraction form
    5,268.06/7,270.06 = 2,878.13/x
  3. Step 3: Cross multiply
    5,268.06x = 7,270.06 × 2,878.13
  4. Step 4: Simplify right side
    5,268.06x = 20,924,184.90
  5. Step 5: Solve for x
    x = 20,924,184.90/5,268.06
  6. Step 6: Final answer
    x = 3,971.90

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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.