Home / 4,240.11-6,358.14-1,318.44

Finding the Fourth Proportional to 4,240.11, 6,358.14 and 1,318.44

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Solution

The fourth proportional to 4,240.11, 6,358.14 and 1,318.44 is: 1,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.11 : 6,358.14 = 1,318.44 : x
  2. Step 2: Convert to fraction form
    4,240.11/6,358.14 = 1,318.44/x
  3. Step 3: Cross multiply
    4,240.11x = 6,358.14 × 1,318.44
  4. Step 4: Simplify right side
    4,240.11x = 8,382,826.10
  5. Step 5: Solve for x
    x = 8,382,826.10/4,240.11
  6. Step 6: Final answer
    x = 1,977.03

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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.