Home / 5,677.26-8,515.60-1,728.34

Finding the Fourth Proportional to 5,677.26, 8,515.60 and 1,728.34

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Solution

The fourth proportional to 5,677.26, 8,515.60 and 1,728.34 is: 2,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.26 : 8,515.60 = 1,728.34 : x
  2. Step 2: Convert to fraction form
    5,677.26/8,515.60 = 1,728.34/x
  3. Step 3: Cross multiply
    5,677.26x = 8,515.60 × 1,728.34
  4. Step 4: Simplify right side
    5,677.26x = 14,717,852.10
  5. Step 5: Solve for x
    x = 14,717,852.10/5,677.26
  6. Step 6: Final answer
    x = 2,592.42

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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.