Home / 4,855.30-7,282.08-1,297.48

Finding the Fourth Proportional to 4,855.30, 7,282.08 and 1,297.48

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Solution

The fourth proportional to 4,855.30, 7,282.08 and 1,297.48 is: 1,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.30 : 7,282.08 = 1,297.48 : x
  2. Step 2: Convert to fraction form
    4,855.30/7,282.08 = 1,297.48/x
  3. Step 3: Cross multiply
    4,855.30x = 7,282.08 × 1,297.48
  4. Step 4: Simplify right side
    4,855.30x = 9,448,353.16
  5. Step 5: Solve for x
    x = 9,448,353.16/4,855.30
  6. Step 6: Final answer
    x = 1,945.99

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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.