Home / 7,835.22-11,752.74-3,938.76

Finding the Fourth Proportional to 7,835.22, 11,752.74 and 3,938.76

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Solution

The fourth proportional to 7,835.22, 11,752.74 and 3,938.76 is: 5,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.22 : 11,752.74 = 3,938.76 : x
  2. Step 2: Convert to fraction form
    7,835.22/11,752.74 = 3,938.76/x
  3. Step 3: Cross multiply
    7,835.22x = 11,752.74 × 3,938.76
  4. Step 4: Simplify right side
    7,835.22x = 46,291,222.20
  5. Step 5: Solve for x
    x = 46,291,222.20/7,835.22
  6. Step 6: Final answer
    x = 5,908.09

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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.