Home / 5,422.84-8,134.32-1,725.05

Finding the Fourth Proportional to 5,422.84, 8,134.32 and 1,725.05

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Solution

The fourth proportional to 5,422.84, 8,134.32 and 1,725.05 is: 2,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.84 : 8,134.32 = 1,725.05 : x
  2. Step 2: Convert to fraction form
    5,422.84/8,134.32 = 1,725.05/x
  3. Step 3: Cross multiply
    5,422.84x = 8,134.32 × 1,725.05
  4. Step 4: Simplify right side
    5,422.84x = 14,032,108.72
  5. Step 5: Solve for x
    x = 14,032,108.72/5,422.84
  6. Step 6: Final answer
    x = 2,587.59

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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.