Home / 5,247.52-7,860.48-3,789.60

Finding the Fourth Proportional to 5,247.52, 7,860.48 and 3,789.60

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Solution

The fourth proportional to 5,247.52, 7,860.48 and 3,789.60 is: 5,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.52 : 7,860.48 = 3,789.60 : x
  2. Step 2: Convert to fraction form
    5,247.52/7,860.48 = 3,789.60/x
  3. Step 3: Cross multiply
    5,247.52x = 7,860.48 × 3,789.60
  4. Step 4: Simplify right side
    5,247.52x = 29,788,075.01
  5. Step 5: Solve for x
    x = 29,788,075.01/5,247.52
  6. Step 6: Final answer
    x = 5,676.60

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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.