Home / 5,415.08-8,122.84-1,717.45

Finding the Fourth Proportional to 5,415.08, 8,122.84 and 1,717.45

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Solution

The fourth proportional to 5,415.08, 8,122.84 and 1,717.45 is: 2,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.08 : 8,122.84 = 1,717.45 : x
  2. Step 2: Convert to fraction form
    5,415.08/8,122.84 = 1,717.45/x
  3. Step 3: Cross multiply
    5,415.08x = 8,122.84 × 1,717.45
  4. Step 4: Simplify right side
    5,415.08x = 13,950,546.96
  5. Step 5: Solve for x
    x = 13,950,546.96/5,415.08
  6. Step 6: Final answer
    x = 2,576.24

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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.