Home / 7,342.16-10,131.93-4,198.32

Finding the Fourth Proportional to 7,342.16, 10,131.93 and 4,198.32

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Solution

The fourth proportional to 7,342.16, 10,131.93 and 4,198.32 is: 5,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.16 : 10,131.93 = 4,198.32 : x
  2. Step 2: Convert to fraction form
    7,342.16/10,131.93 = 4,198.32/x
  3. Step 3: Cross multiply
    7,342.16x = 10,131.93 × 4,198.32
  4. Step 4: Simplify right side
    7,342.16x = 42,537,084.36
  5. Step 5: Solve for x
    x = 42,537,084.36/7,342.16
  6. Step 6: Final answer
    x = 5,793.54

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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.