Home / 6,157.52-8,495.37-3,639.71

Finding the Fourth Proportional to 6,157.52, 8,495.37 and 3,639.71

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Solution

The fourth proportional to 6,157.52, 8,495.37 and 3,639.71 is: 5,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.52 : 8,495.37 = 3,639.71 : x
  2. Step 2: Convert to fraction form
    6,157.52/8,495.37 = 3,639.71/x
  3. Step 3: Cross multiply
    6,157.52x = 8,495.37 × 3,639.71
  4. Step 4: Simplify right side
    6,157.52x = 30,920,640.67
  5. Step 5: Solve for x
    x = 30,920,640.67/6,157.52
  6. Step 6: Final answer
    x = 5,021.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.