Home / 9,218.70-13,830.82-4,291.26

Finding the Fourth Proportional to 9,218.70, 13,830.82 and 4,291.26

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Solution

The fourth proportional to 9,218.70, 13,830.82 and 4,291.26 is: 6,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.70 : 13,830.82 = 4,291.26 : x
  2. Step 2: Convert to fraction form
    9,218.70/13,830.82 = 4,291.26/x
  3. Step 3: Cross multiply
    9,218.70x = 13,830.82 × 4,291.26
  4. Step 4: Simplify right side
    9,218.70x = 59,351,644.63
  5. Step 5: Solve for x
    x = 59,351,644.63/9,218.70
  6. Step 6: Final answer
    x = 6,438.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.