Home / 7,738.15-11,607.45-1,894.76

Finding the Fourth Proportional to 7,738.15, 11,607.45 and 1,894.76

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Solution

The fourth proportional to 7,738.15, 11,607.45 and 1,894.76 is: 2,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.15 : 11,607.45 = 1,894.76 : x
  2. Step 2: Convert to fraction form
    7,738.15/11,607.45 = 1,894.76/x
  3. Step 3: Cross multiply
    7,738.15x = 11,607.45 × 1,894.76
  4. Step 4: Simplify right side
    7,738.15x = 21,993,273.92
  5. Step 5: Solve for x
    x = 21,993,273.92/7,738.15
  6. Step 6: Final answer
    x = 2,842.19

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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.