Home / 8,317.80-11,480.49-4,783.05

Finding the Fourth Proportional to 8,317.80, 11,480.49 and 4,783.05

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Solution

The fourth proportional to 8,317.80, 11,480.49 and 4,783.05 is: 6,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.80 : 11,480.49 = 4,783.05 : x
  2. Step 2: Convert to fraction form
    8,317.80/11,480.49 = 4,783.05/x
  3. Step 3: Cross multiply
    8,317.80x = 11,480.49 × 4,783.05
  4. Step 4: Simplify right side
    8,317.80x = 54,911,757.69
  5. Step 5: Solve for x
    x = 54,911,757.69/8,317.80
  6. Step 6: Final answer
    x = 6,601.72

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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.