Home / 7,755.24-10,702.26-4,218.42

Finding the Fourth Proportional to 7,755.24, 10,702.26 and 4,218.42

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Solution

The fourth proportional to 7,755.24, 10,702.26 and 4,218.42 is: 5,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.24 : 10,702.26 = 4,218.42 : x
  2. Step 2: Convert to fraction form
    7,755.24/10,702.26 = 4,218.42/x
  3. Step 3: Cross multiply
    7,755.24x = 10,702.26 × 4,218.42
  4. Step 4: Simplify right side
    7,755.24x = 45,146,627.63
  5. Step 5: Solve for x
    x = 45,146,627.63/7,755.24
  6. Step 6: Final answer
    x = 5,821.44

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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.