Home / 6,518.90-8,994.69-3,867.17

Finding the Fourth Proportional to 6,518.90, 8,994.69 and 3,867.17

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Solution

The fourth proportional to 6,518.90, 8,994.69 and 3,867.17 is: 5,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.90 : 8,994.69 = 3,867.17 : x
  2. Step 2: Convert to fraction form
    6,518.90/8,994.69 = 3,867.17/x
  3. Step 3: Cross multiply
    6,518.90x = 8,994.69 × 3,867.17
  4. Step 4: Simplify right side
    6,518.90x = 34,783,950.35
  5. Step 5: Solve for x
    x = 34,783,950.35/6,518.90
  6. Step 6: Final answer
    x = 5,335.87

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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.