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Finding the Fourth Proportional to 5,759.60, 8,622.99 and 5,300.33

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Solution

The fourth proportional to 5,759.60, 8,622.99 and 5,300.33 is: 7,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.60 : 8,622.99 = 5,300.33 : x
  2. Step 2: Convert to fraction form
    5,759.60/8,622.99 = 5,300.33/x
  3. Step 3: Cross multiply
    5,759.60x = 8,622.99 × 5,300.33
  4. Step 4: Simplify right side
    5,759.60x = 45,704,649.47
  5. Step 5: Solve for x
    x = 45,704,649.47/5,759.60
  6. Step 6: Final answer
    x = 7,935.39

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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.