Home / 7,342.41-10,132.37-3,985.23

Finding the Fourth Proportional to 7,342.41, 10,132.37 and 3,985.23

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Solution

The fourth proportional to 7,342.41, 10,132.37 and 3,985.23 is: 5,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.41 : 10,132.37 = 3,985.23 : x
  2. Step 2: Convert to fraction form
    7,342.41/10,132.37 = 3,985.23/x
  3. Step 3: Cross multiply
    7,342.41x = 10,132.37 × 3,985.23
  4. Step 4: Simplify right side
    7,342.41x = 40,379,804.97
  5. Step 5: Solve for x
    x = 40,379,804.97/7,342.41
  6. Step 6: Final answer
    x = 5,499.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.