Home / 7,575.55-11,365.25-2,645.28

Finding the Fourth Proportional to 7,575.55, 11,365.25 and 2,645.28

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Solution

The fourth proportional to 7,575.55, 11,365.25 and 2,645.28 is: 3,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.55 : 11,365.25 = 2,645.28 : x
  2. Step 2: Convert to fraction form
    7,575.55/11,365.25 = 2,645.28/x
  3. Step 3: Cross multiply
    7,575.55x = 11,365.25 × 2,645.28
  4. Step 4: Simplify right side
    7,575.55x = 30,064,255.29
  5. Step 5: Solve for x
    x = 30,064,255.29/7,575.55
  6. Step 6: Final answer
    x = 3,968.59

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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.