Home / 4,462.87-6,689.48-1,994.30

Finding the Fourth Proportional to 4,462.87, 6,689.48 and 1,994.30

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Solution

The fourth proportional to 4,462.87, 6,689.48 and 1,994.30 is: 2,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.87 : 6,689.48 = 1,994.30 : x
  2. Step 2: Convert to fraction form
    4,462.87/6,689.48 = 1,994.30/x
  3. Step 3: Cross multiply
    4,462.87x = 6,689.48 × 1,994.30
  4. Step 4: Simplify right side
    4,462.87x = 13,340,829.96
  5. Step 5: Solve for x
    x = 13,340,829.96/4,462.87
  6. Step 6: Final answer
    x = 2,989.29

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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.