Home / 5,725.80-8,577.48-5,106.60

Finding the Fourth Proportional to 5,725.80, 8,577.48 and 5,106.60

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Solution

The fourth proportional to 5,725.80, 8,577.48 and 5,106.60 is: 7,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.80 : 8,577.48 = 5,106.60 : x
  2. Step 2: Convert to fraction form
    5,725.80/8,577.48 = 5,106.60/x
  3. Step 3: Cross multiply
    5,725.80x = 8,577.48 × 5,106.60
  4. Step 4: Simplify right side
    5,725.80x = 43,801,759.37
  5. Step 5: Solve for x
    x = 43,801,759.37/5,725.80
  6. Step 6: Final answer
    x = 7,649.89

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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.