Home / 8,425.90-11,625.96-4,888.66

Finding the Fourth Proportional to 8,425.90, 11,625.96 and 4,888.66

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Solution

The fourth proportional to 8,425.90, 11,625.96 and 4,888.66 is: 6,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.90 : 11,625.96 = 4,888.66 : x
  2. Step 2: Convert to fraction form
    8,425.90/11,625.96 = 4,888.66/x
  3. Step 3: Cross multiply
    8,425.90x = 11,625.96 × 4,888.66
  4. Step 4: Simplify right side
    8,425.90x = 56,835,365.61
  5. Step 5: Solve for x
    x = 56,835,365.61/8,425.90
  6. Step 6: Final answer
    x = 6,745.32

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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.