Home / 8,180.46-11,289.15-4,778.01

Finding the Fourth Proportional to 8,180.46, 11,289.15 and 4,778.01

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Solution

The fourth proportional to 8,180.46, 11,289.15 and 4,778.01 is: 6,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.46 : 11,289.15 = 4,778.01 : x
  2. Step 2: Convert to fraction form
    8,180.46/11,289.15 = 4,778.01/x
  3. Step 3: Cross multiply
    8,180.46x = 11,289.15 × 4,778.01
  4. Step 4: Simplify right side
    8,180.46x = 53,939,671.59
  5. Step 5: Solve for x
    x = 53,939,671.59/8,180.46
  6. Step 6: Final answer
    x = 6,593.72

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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.