Home / 7,575.45-11,359.72-3,190.51

Finding the Fourth Proportional to 7,575.45, 11,359.72 and 3,190.51

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Solution

The fourth proportional to 7,575.45, 11,359.72 and 3,190.51 is: 4,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.45 : 11,359.72 = 3,190.51 : x
  2. Step 2: Convert to fraction form
    7,575.45/11,359.72 = 3,190.51/x
  3. Step 3: Cross multiply
    7,575.45x = 11,359.72 × 3,190.51
  4. Step 4: Simplify right side
    7,575.45x = 36,243,300.26
  5. Step 5: Solve for x
    x = 36,243,300.26/7,575.45
  6. Step 6: Final answer
    x = 4,784.31

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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.