Home / 9,087.26-12,538.58-5,309.69

Finding the Fourth Proportional to 9,087.26, 12,538.58 and 5,309.69

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Solution

The fourth proportional to 9,087.26, 12,538.58 and 5,309.69 is: 7,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.26 : 12,538.58 = 5,309.69 : x
  2. Step 2: Convert to fraction form
    9,087.26/12,538.58 = 5,309.69/x
  3. Step 3: Cross multiply
    9,087.26x = 12,538.58 × 5,309.69
  4. Step 4: Simplify right side
    9,087.26x = 66,575,946.29
  5. Step 5: Solve for x
    x = 66,575,946.29/9,087.26
  6. Step 6: Final answer
    x = 7,326.30

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Double scale
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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.