Home / 7,198-9,937.56-4,718.32

Finding the Fourth Proportional to 7,198, 9,937.56 and 4,718.32

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Solution

The fourth proportional to 7,198, 9,937.56 and 4,718.32 is: 6,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198 : 9,937.56 = 4,718.32 : x
  2. Step 2: Convert to fraction form
    7,198/9,937.56 = 4,718.32/x
  3. Step 3: Cross multiply
    7,198x = 9,937.56 × 4,718.32
  4. Step 4: Simplify right side
    7,198x = 46,888,588.10
  5. Step 5: Solve for x
    x = 46,888,588.10/7,198
  6. Step 6: Final answer
    x = 6,514.11

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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.