Home / 9,218.88-13,830.75-2,645.46

Finding the Fourth Proportional to 9,218.88, 13,830.75 and 2,645.46

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Solution

The fourth proportional to 9,218.88, 13,830.75 and 2,645.46 is: 3,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.88 : 13,830.75 = 2,645.46 : x
  2. Step 2: Convert to fraction form
    9,218.88/13,830.75 = 2,645.46/x
  3. Step 3: Cross multiply
    9,218.88x = 13,830.75 × 2,645.46
  4. Step 4: Simplify right side
    9,218.88x = 36,588,695.90
  5. Step 5: Solve for x
    x = 36,588,695.90/9,218.88
  6. Step 6: Final answer
    x = 3,968.89

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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.