Home / 4,808.72-7,218.54-4,491.60

Finding the Fourth Proportional to 4,808.72, 7,218.54 and 4,491.60

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Solution

The fourth proportional to 4,808.72, 7,218.54 and 4,491.60 is: 6,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.72 : 7,218.54 = 4,491.60 : x
  2. Step 2: Convert to fraction form
    4,808.72/7,218.54 = 4,491.60/x
  3. Step 3: Cross multiply
    4,808.72x = 7,218.54 × 4,491.60
  4. Step 4: Simplify right side
    4,808.72x = 32,422,794.26
  5. Step 5: Solve for x
    x = 32,422,794.26/4,808.72
  6. Step 6: Final answer
    x = 6,742.51

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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.