Home / 8,314.25-11,474.73-4,778.15

Finding the Fourth Proportional to 8,314.25, 11,474.73 and 4,778.15

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Solution

The fourth proportional to 8,314.25, 11,474.73 and 4,778.15 is: 6,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.25 : 11,474.73 = 4,778.15 : x
  2. Step 2: Convert to fraction form
    8,314.25/11,474.73 = 4,778.15/x
  3. Step 3: Cross multiply
    8,314.25x = 11,474.73 × 4,778.15
  4. Step 4: Simplify right side
    8,314.25x = 54,827,981.15
  5. Step 5: Solve for x
    x = 54,827,981.15/8,314.25
  6. Step 6: Final answer
    x = 6,594.46

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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.