Home / 6,612.09-9,124.63-3,627.91

Finding the Fourth Proportional to 6,612.09, 9,124.63 and 3,627.91

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Solution

The fourth proportional to 6,612.09, 9,124.63 and 3,627.91 is: 5,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.09 : 9,124.63 = 3,627.91 : x
  2. Step 2: Convert to fraction form
    6,612.09/9,124.63 = 3,627.91/x
  3. Step 3: Cross multiply
    6,612.09x = 9,124.63 × 3,627.91
  4. Step 4: Simplify right side
    6,612.09x = 33,103,336.42
  5. Step 5: Solve for x
    x = 33,103,336.42/6,612.09
  6. Step 6: Final answer
    x = 5,006.49

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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.