Home / 7,615.25-11,424.56-3,236.45

Finding the Fourth Proportional to 7,615.25, 11,424.56 and 3,236.45

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Solution

The fourth proportional to 7,615.25, 11,424.56 and 3,236.45 is: 4,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.25 : 11,424.56 = 3,236.45 : x
  2. Step 2: Convert to fraction form
    7,615.25/11,424.56 = 3,236.45/x
  3. Step 3: Cross multiply
    7,615.25x = 11,424.56 × 3,236.45
  4. Step 4: Simplify right side
    7,615.25x = 36,975,017.21
  5. Step 5: Solve for x
    x = 36,975,017.21/7,615.25
  6. Step 6: Final answer
    x = 4,855.39

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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.