Home / 7,693.08-11,540.70-3,312.60

Finding the Fourth Proportional to 7,693.08, 11,540.70 and 3,312.60

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Solution

The fourth proportional to 7,693.08, 11,540.70 and 3,312.60 is: 4,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.08 : 11,540.70 = 3,312.60 : x
  2. Step 2: Convert to fraction form
    7,693.08/11,540.70 = 3,312.60/x
  3. Step 3: Cross multiply
    7,693.08x = 11,540.70 × 3,312.60
  4. Step 4: Simplify right side
    7,693.08x = 38,229,722.82
  5. Step 5: Solve for x
    x = 38,229,722.82/7,693.08
  6. Step 6: Final answer
    x = 4,969.37

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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.