Home / 9,190.32-12,682.74-4,998.57

Finding the Fourth Proportional to 9,190.32, 12,682.74 and 4,998.57

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Solution

The fourth proportional to 9,190.32, 12,682.74 and 4,998.57 is: 6,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.32 : 12,682.74 = 4,998.57 : x
  2. Step 2: Convert to fraction form
    9,190.32/12,682.74 = 4,998.57/x
  3. Step 3: Cross multiply
    9,190.32x = 12,682.74 × 4,998.57
  4. Step 4: Simplify right side
    9,190.32x = 63,395,563.68
  5. Step 5: Solve for x
    x = 63,395,563.68/9,190.32
  6. Step 6: Final answer
    x = 6,898.08

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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.