Home / 9,382.21-12,947.34-5,133.35

Finding the Fourth Proportional to 9,382.21, 12,947.34 and 5,133.35

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Solution

The fourth proportional to 9,382.21, 12,947.34 and 5,133.35 is: 7,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.21 : 12,947.34 = 5,133.35 : x
  2. Step 2: Convert to fraction form
    9,382.21/12,947.34 = 5,133.35/x
  3. Step 3: Cross multiply
    9,382.21x = 12,947.34 × 5,133.35
  4. Step 4: Simplify right side
    9,382.21x = 66,463,227.79
  5. Step 5: Solve for x
    x = 66,463,227.79/9,382.21
  6. Step 6: Final answer
    x = 7,083.97

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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.