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Finding the Fourth Proportional to 9,759.69, 13,468.37 and 5,283.44

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Solution

The fourth proportional to 9,759.69, 13,468.37 and 5,283.44 is: 7,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.69 : 13,468.37 = 5,283.44 : x
  2. Step 2: Convert to fraction form
    9,759.69/13,468.37 = 5,283.44/x
  3. Step 3: Cross multiply
    9,759.69x = 13,468.37 × 5,283.44
  4. Step 4: Simplify right side
    9,759.69x = 71,159,266.19
  5. Step 5: Solve for x
    x = 71,159,266.19/9,759.69
  6. Step 6: Final answer
    x = 7,291.14

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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.