Home / 9,190.06-12,682.13-5,101.72

Finding the Fourth Proportional to 9,190.06, 12,682.13 and 5,101.72

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Solution

The fourth proportional to 9,190.06, 12,682.13 and 5,101.72 is: 7,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.06 : 12,682.13 = 5,101.72 : x
  2. Step 2: Convert to fraction form
    9,190.06/12,682.13 = 5,101.72/x
  3. Step 3: Cross multiply
    9,190.06x = 12,682.13 × 5,101.72
  4. Step 4: Simplify right side
    9,190.06x = 64,700,619.05
  5. Step 5: Solve for x
    x = 64,700,619.05/9,190.06
  6. Step 6: Final answer
    x = 7,040.28

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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.