Home / 5,275.00-7,903.61-3,188.63

Finding the Fourth Proportional to 5,275.00, 7,903.61 and 3,188.63

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Solution

The fourth proportional to 5,275.00, 7,903.61 and 3,188.63 is: 4,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.00 : 7,903.61 = 3,188.63 : x
  2. Step 2: Convert to fraction form
    5,275.00/7,903.61 = 3,188.63/x
  3. Step 3: Cross multiply
    5,275.00x = 7,903.61 × 3,188.63
  4. Step 4: Simplify right side
    5,275.00x = 25,201,733.85
  5. Step 5: Solve for x
    x = 25,201,733.85/5,275.00
  6. Step 6: Final answer
    x = 4,777.58

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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.