Home / 7,889.36-10,885.84-4,745.60

Finding the Fourth Proportional to 7,889.36, 10,885.84 and 4,745.60

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Solution

The fourth proportional to 7,889.36, 10,885.84 and 4,745.60 is: 6,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.36 : 10,885.84 = 4,745.60 : x
  2. Step 2: Convert to fraction form
    7,889.36/10,885.84 = 4,745.60/x
  3. Step 3: Cross multiply
    7,889.36x = 10,885.84 × 4,745.60
  4. Step 4: Simplify right side
    7,889.36x = 51,659,842.30
  5. Step 5: Solve for x
    x = 51,659,842.30/7,889.36
  6. Step 6: Final answer
    x = 6,548.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.