Home / 6,418.56-9,630.83-2,721.67

Finding the Fourth Proportional to 6,418.56, 9,630.83 and 2,721.67

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Solution

The fourth proportional to 6,418.56, 9,630.83 and 2,721.67 is: 4,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.56 : 9,630.83 = 2,721.67 : x
  2. Step 2: Convert to fraction form
    6,418.56/9,630.83 = 2,721.67/x
  3. Step 3: Cross multiply
    6,418.56x = 9,630.83 × 2,721.67
  4. Step 4: Simplify right side
    6,418.56x = 26,211,941.09
  5. Step 5: Solve for x
    x = 26,211,941.09/6,418.56
  6. Step 6: Final answer
    x = 4,083.77

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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.