Home / 6,466.20-9,706.59-4,279.20

Finding the Fourth Proportional to 6,466.20, 9,706.59 and 4,279.20

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Solution

The fourth proportional to 6,466.20, 9,706.59 and 4,279.20 is: 6,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.20 : 9,706.59 = 4,279.20 : x
  2. Step 2: Convert to fraction form
    6,466.20/9,706.59 = 4,279.20/x
  3. Step 3: Cross multiply
    6,466.20x = 9,706.59 × 4,279.20
  4. Step 4: Simplify right side
    6,466.20x = 41,536,439.93
  5. Step 5: Solve for x
    x = 41,536,439.93/6,466.20
  6. Step 6: Final answer
    x = 6,423.62

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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.