Home / 6,616.22-9,130.59-3,821.72

Finding the Fourth Proportional to 6,616.22, 9,130.59 and 3,821.72

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Solution

The fourth proportional to 6,616.22, 9,130.59 and 3,821.72 is: 5,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.22 : 9,130.59 = 3,821.72 : x
  2. Step 2: Convert to fraction form
    6,616.22/9,130.59 = 3,821.72/x
  3. Step 3: Cross multiply
    6,616.22x = 9,130.59 × 3,821.72
  4. Step 4: Simplify right side
    6,616.22x = 34,894,512.76
  5. Step 5: Solve for x
    x = 34,894,512.76/6,616.22
  6. Step 6: Final answer
    x = 5,274.09

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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.