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Finding the Fourth Proportional to 10,397, 15,590.64 and 3,466.64

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Solution

The fourth proportional to 10,397, 15,590.64 and 3,466.64 is: 5,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397 : 15,590.64 = 3,466.64 : x
  2. Step 2: Convert to fraction form
    10,397/15,590.64 = 3,466.64/x
  3. Step 3: Cross multiply
    10,397x = 15,590.64 × 3,466.64
  4. Step 4: Simplify right side
    10,397x = 54,047,136.25
  5. Step 5: Solve for x
    x = 54,047,136.25/10,397
  6. Step 6: Final answer
    x = 5,198.34

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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.