Home / 7,707.24-11,562.30-3,090.60

Finding the Fourth Proportional to 7,707.24, 11,562.30 and 3,090.60

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Solution

The fourth proportional to 7,707.24, 11,562.30 and 3,090.60 is: 4,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.24 : 11,562.30 = 3,090.60 : x
  2. Step 2: Convert to fraction form
    7,707.24/11,562.30 = 3,090.60/x
  3. Step 3: Cross multiply
    7,707.24x = 11,562.30 × 3,090.60
  4. Step 4: Simplify right side
    7,707.24x = 35,734,444.38
  5. Step 5: Solve for x
    x = 35,734,444.38/7,707.24
  6. Step 6: Final answer
    x = 4,636.48

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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.