Home / 9,759.45-13,468.05-5,283.21

Finding the Fourth Proportional to 9,759.45, 13,468.05 and 5,283.21

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Solution

The fourth proportional to 9,759.45, 13,468.05 and 5,283.21 is: 7,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.45 : 13,468.05 = 5,283.21 : x
  2. Step 2: Convert to fraction form
    9,759.45/13,468.05 = 5,283.21/x
  3. Step 3: Cross multiply
    9,759.45x = 13,468.05 × 5,283.21
  4. Step 4: Simplify right side
    9,759.45x = 71,154,536.44
  5. Step 5: Solve for x
    x = 71,154,536.44/9,759.45
  6. Step 6: Final answer
    x = 7,290.83

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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.