Home / 7,792.36-11,689.50-3,174.76

Finding the Fourth Proportional to 7,792.36, 11,689.50 and 3,174.76

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Solution

The fourth proportional to 7,792.36, 11,689.50 and 3,174.76 is: 4,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.36 : 11,689.50 = 3,174.76 : x
  2. Step 2: Convert to fraction form
    7,792.36/11,689.50 = 3,174.76/x
  3. Step 3: Cross multiply
    7,792.36x = 11,689.50 × 3,174.76
  4. Step 4: Simplify right side
    7,792.36x = 37,111,357.02
  5. Step 5: Solve for x
    x = 37,111,357.02/7,792.36
  6. Step 6: Final answer
    x = 4,762.53

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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.