Home / 7,218.86-9,963.51-4,236.26

Finding the Fourth Proportional to 7,218.86, 9,963.51 and 4,236.26

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Solution

The fourth proportional to 7,218.86, 9,963.51 and 4,236.26 is: 5,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.86 : 9,963.51 = 4,236.26 : x
  2. Step 2: Convert to fraction form
    7,218.86/9,963.51 = 4,236.26/x
  3. Step 3: Cross multiply
    7,218.86x = 9,963.51 × 4,236.26
  4. Step 4: Simplify right side
    7,218.86x = 42,208,018.87
  5. Step 5: Solve for x
    x = 42,208,018.87/7,218.86
  6. Step 6: Final answer
    x = 5,846.91

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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.