Home / 8,176.73-11,285.15-4,820.63

Finding the Fourth Proportional to 8,176.73, 11,285.15 and 4,820.63

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Solution

The fourth proportional to 8,176.73, 11,285.15 and 4,820.63 is: 6,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.73 : 11,285.15 = 4,820.63 : x
  2. Step 2: Convert to fraction form
    8,176.73/11,285.15 = 4,820.63/x
  3. Step 3: Cross multiply
    8,176.73x = 11,285.15 × 4,820.63
  4. Step 4: Simplify right side
    8,176.73x = 54,401,452.12
  5. Step 5: Solve for x
    x = 54,401,452.12/8,176.73
  6. Step 6: Final answer
    x = 6,653.21

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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.