Home / 5,228.40-7,835.48-2,633.12

Finding the Fourth Proportional to 5,228.40, 7,835.48 and 2,633.12

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Solution

The fourth proportional to 5,228.40, 7,835.48 and 2,633.12 is: 3,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.40 : 7,835.48 = 2,633.12 : x
  2. Step 2: Convert to fraction form
    5,228.40/7,835.48 = 2,633.12/x
  3. Step 3: Cross multiply
    5,228.40x = 7,835.48 × 2,633.12
  4. Step 4: Simplify right side
    5,228.40x = 20,631,759.10
  5. Step 5: Solve for x
    x = 20,631,759.10/5,228.40
  6. Step 6: Final answer
    x = 3,946.09

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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.