Home / 7,418.51-10,234.08-4,272.87

Finding the Fourth Proportional to 7,418.51, 10,234.08 and 4,272.87

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Solution

The fourth proportional to 7,418.51, 10,234.08 and 4,272.87 is: 5,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.51 : 10,234.08 = 4,272.87 : x
  2. Step 2: Convert to fraction form
    7,418.51/10,234.08 = 4,272.87/x
  3. Step 3: Cross multiply
    7,418.51x = 10,234.08 × 4,272.87
  4. Step 4: Simplify right side
    7,418.51x = 43,728,893.41
  5. Step 5: Solve for x
    x = 43,728,893.41/7,418.51
  6. Step 6: Final answer
    x = 5,894.57

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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.