Home / 4,290.72-6,433.52-2,240.16

Finding the Fourth Proportional to 4,290.72, 6,433.52 and 2,240.16

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Solution

The fourth proportional to 4,290.72, 6,433.52 and 2,240.16 is: 3,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.72 : 6,433.52 = 2,240.16 : x
  2. Step 2: Convert to fraction form
    4,290.72/6,433.52 = 2,240.16/x
  3. Step 3: Cross multiply
    4,290.72x = 6,433.52 × 2,240.16
  4. Step 4: Simplify right side
    4,290.72x = 14,412,114.16
  5. Step 5: Solve for x
    x = 14,412,114.16/4,290.72
  6. Step 6: Final answer
    x = 3,358.90

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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.