Home / 4,240.13-6,361.10-1,318.32

Finding the Fourth Proportional to 4,240.13, 6,361.10 and 1,318.32

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Solution

The fourth proportional to 4,240.13, 6,361.10 and 1,318.32 is: 1,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.13 : 6,361.10 = 1,318.32 : x
  2. Step 2: Convert to fraction form
    4,240.13/6,361.10 = 1,318.32/x
  3. Step 3: Cross multiply
    4,240.13x = 6,361.10 × 1,318.32
  4. Step 4: Simplify right side
    4,240.13x = 8,385,958.76
  5. Step 5: Solve for x
    x = 8,385,958.76/4,240.13
  6. Step 6: Final answer
    x = 1,977.76

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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.