Home / 7,733.76-11,600.58-1,890.32

Finding the Fourth Proportional to 7,733.76, 11,600.58 and 1,890.32

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Solution

The fourth proportional to 7,733.76, 11,600.58 and 1,890.32 is: 2,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.76 : 11,600.58 = 1,890.32 : x
  2. Step 2: Convert to fraction form
    7,733.76/11,600.58 = 1,890.32/x
  3. Step 3: Cross multiply
    7,733.76x = 11,600.58 × 1,890.32
  4. Step 4: Simplify right side
    7,733.76x = 21,928,808.39
  5. Step 5: Solve for x
    x = 21,928,808.39/7,733.76
  6. Step 6: Final answer
    x = 2,835.47

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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.