Home / 6,257.36-9,385.32-1,640.72

Finding the Fourth Proportional to 6,257.36, 9,385.32 and 1,640.72

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Solution

The fourth proportional to 6,257.36, 9,385.32 and 1,640.72 is: 2,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.36 : 9,385.32 = 1,640.72 : x
  2. Step 2: Convert to fraction form
    6,257.36/9,385.32 = 1,640.72/x
  3. Step 3: Cross multiply
    6,257.36x = 9,385.32 × 1,640.72
  4. Step 4: Simplify right side
    6,257.36x = 15,398,682.23
  5. Step 5: Solve for x
    x = 15,398,682.23/6,257.36
  6. Step 6: Final answer
    x = 2,460.89

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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.