Home / 5,215.55-7,813.24-2,900.03

Finding the Fourth Proportional to 5,215.55, 7,813.24 and 2,900.03

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Solution

The fourth proportional to 5,215.55, 7,813.24 and 2,900.03 is: 4,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.55 : 7,813.24 = 2,900.03 : x
  2. Step 2: Convert to fraction form
    5,215.55/7,813.24 = 2,900.03/x
  3. Step 3: Cross multiply
    5,215.55x = 7,813.24 × 2,900.03
  4. Step 4: Simplify right side
    5,215.55x = 22,658,630.40
  5. Step 5: Solve for x
    x = 22,658,630.40/5,215.55
  6. Step 6: Final answer
    x = 4,344.44

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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.