Home / 9,182.94-12,672.45-4,991.19

Finding the Fourth Proportional to 9,182.94, 12,672.45 and 4,991.19

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Solution

The fourth proportional to 9,182.94, 12,672.45 and 4,991.19 is: 6,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.94 : 12,672.45 = 4,991.19 : x
  2. Step 2: Convert to fraction form
    9,182.94/12,672.45 = 4,991.19/x
  3. Step 3: Cross multiply
    9,182.94x = 12,672.45 × 4,991.19
  4. Step 4: Simplify right side
    9,182.94x = 63,250,605.72
  5. Step 5: Solve for x
    x = 63,250,605.72/9,182.94
  6. Step 6: Final answer
    x = 6,887.84

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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.