Home / 7,550.07-10,418.31-4,192.52

Finding the Fourth Proportional to 7,550.07, 10,418.31 and 4,192.52

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Solution

The fourth proportional to 7,550.07, 10,418.31 and 4,192.52 is: 5,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.07 : 10,418.31 = 4,192.52 : x
  2. Step 2: Convert to fraction form
    7,550.07/10,418.31 = 4,192.52/x
  3. Step 3: Cross multiply
    7,550.07x = 10,418.31 × 4,192.52
  4. Step 4: Simplify right side
    7,550.07x = 43,678,920.95
  5. Step 5: Solve for x
    x = 43,678,920.95/7,550.07
  6. Step 6: Final answer
    x = 5,785.23

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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.