Home / 8,945.88-13,415.08-3,398.16

Finding the Fourth Proportional to 8,945.88, 13,415.08 and 3,398.16

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Solution

The fourth proportional to 8,945.88, 13,415.08 and 3,398.16 is: 5,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.88 : 13,415.08 = 3,398.16 : x
  2. Step 2: Convert to fraction form
    8,945.88/13,415.08 = 3,398.16/x
  3. Step 3: Cross multiply
    8,945.88x = 13,415.08 × 3,398.16
  4. Step 4: Simplify right side
    8,945.88x = 45,586,588.25
  5. Step 5: Solve for x
    x = 45,586,588.25/8,945.88
  6. Step 6: Final answer
    x = 5,095.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.