Home / 6,278.04-8,653.77-5,015.12

Finding the Fourth Proportional to 6,278.04, 8,653.77 and 5,015.12

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Solution

The fourth proportional to 6,278.04, 8,653.77 and 5,015.12 is: 6,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.04 : 8,653.77 = 5,015.12 : x
  2. Step 2: Convert to fraction form
    6,278.04/8,653.77 = 5,015.12/x
  3. Step 3: Cross multiply
    6,278.04x = 8,653.77 × 5,015.12
  4. Step 4: Simplify right side
    6,278.04x = 43,399,651.73
  5. Step 5: Solve for x
    x = 43,399,651.73/6,278.04
  6. Step 6: Final answer
    x = 6,912.93

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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.