Home / 5,355.66-8,022.72-4,486.86

Finding the Fourth Proportional to 5,355.66, 8,022.72 and 4,486.86

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Solution

The fourth proportional to 5,355.66, 8,022.72 and 4,486.86 is: 6,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.66 : 8,022.72 = 4,486.86 : x
  2. Step 2: Convert to fraction form
    5,355.66/8,022.72 = 4,486.86/x
  3. Step 3: Cross multiply
    5,355.66x = 8,022.72 × 4,486.86
  4. Step 4: Simplify right side
    5,355.66x = 35,996,821.46
  5. Step 5: Solve for x
    x = 35,996,821.46/5,355.66
  6. Step 6: Final answer
    x = 6,721.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.