Home / 9,190.98-12,679.50-6,125.58

Finding the Fourth Proportional to 9,190.98, 12,679.50 and 6,125.58

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Solution

The fourth proportional to 9,190.98, 12,679.50 and 6,125.58 is: 8,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.98 : 12,679.50 = 6,125.58 : x
  2. Step 2: Convert to fraction form
    9,190.98/12,679.50 = 6,125.58/x
  3. Step 3: Cross multiply
    9,190.98x = 12,679.50 × 6,125.58
  4. Step 4: Simplify right side
    9,190.98x = 77,669,291.61
  5. Step 5: Solve for x
    x = 77,669,291.61/9,190.98
  6. Step 6: Final answer
    x = 8,450.60

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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.