Home / 5,272.23-7,890.08-3,190.98

Finding the Fourth Proportional to 5,272.23, 7,890.08 and 3,190.98

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Solution

The fourth proportional to 5,272.23, 7,890.08 and 3,190.98 is: 4,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.23 : 7,890.08 = 3,190.98 : x
  2. Step 2: Convert to fraction form
    5,272.23/7,890.08 = 3,190.98/x
  3. Step 3: Cross multiply
    5,272.23x = 7,890.08 × 3,190.98
  4. Step 4: Simplify right side
    5,272.23x = 25,177,071.52
  5. Step 5: Solve for x
    x = 25,177,071.52/5,272.23
  6. Step 6: Final answer
    x = 4,775.41

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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.