Home / 7,575.36-11,365.72-2,646.36

Finding the Fourth Proportional to 7,575.36, 11,365.72 and 2,646.36

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Solution

The fourth proportional to 7,575.36, 11,365.72 and 2,646.36 is: 3,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.36 : 11,365.72 = 2,646.36 : x
  2. Step 2: Convert to fraction form
    7,575.36/11,365.72 = 2,646.36/x
  3. Step 3: Cross multiply
    7,575.36x = 11,365.72 × 2,646.36
  4. Step 4: Simplify right side
    7,575.36x = 30,077,786.78
  5. Step 5: Solve for x
    x = 30,077,786.78/7,575.36
  6. Step 6: Final answer
    x = 3,970.48

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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.