Home / 6,890.21-10,335.08-2,994.62

Finding the Fourth Proportional to 6,890.21, 10,335.08 and 2,994.62

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Solution

The fourth proportional to 6,890.21, 10,335.08 and 2,994.62 is: 4,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.21 : 10,335.08 = 2,994.62 : x
  2. Step 2: Convert to fraction form
    6,890.21/10,335.08 = 2,994.62/x
  3. Step 3: Cross multiply
    6,890.21x = 10,335.08 × 2,994.62
  4. Step 4: Simplify right side
    6,890.21x = 30,949,585.59
  5. Step 5: Solve for x
    x = 30,949,585.59/6,890.21
  6. Step 6: Final answer
    x = 4,491.82

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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.