Home / 6,640.83-9,159.23-4,124.43

Finding the Fourth Proportional to 6,640.83, 9,159.23 and 4,124.43

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Solution

The fourth proportional to 6,640.83, 9,159.23 and 4,124.43 is: 5,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.83 : 9,159.23 = 4,124.43 : x
  2. Step 2: Convert to fraction form
    6,640.83/9,159.23 = 4,124.43/x
  3. Step 3: Cross multiply
    6,640.83x = 9,159.23 × 4,124.43
  4. Step 4: Simplify right side
    6,640.83x = 37,776,613.30
  5. Step 5: Solve for x
    x = 37,776,613.30/6,640.83
  6. Step 6: Final answer
    x = 5,688.54

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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.