Home / 8,278.58-11,426.91-4,744.15

Finding the Fourth Proportional to 8,278.58, 11,426.91 and 4,744.15

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Solution

The fourth proportional to 8,278.58, 11,426.91 and 4,744.15 is: 6,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.58 : 11,426.91 = 4,744.15 : x
  2. Step 2: Convert to fraction form
    8,278.58/11,426.91 = 4,744.15/x
  3. Step 3: Cross multiply
    8,278.58x = 11,426.91 × 4,744.15
  4. Step 4: Simplify right side
    8,278.58x = 54,210,928.72
  5. Step 5: Solve for x
    x = 54,210,928.72/8,278.58
  6. Step 6: Final answer
    x = 6,548.33

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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.