Home / 5,525.76-8,288.64-1,365.78

Finding the Fourth Proportional to 5,525.76, 8,288.64 and 1,365.78

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Solution

The fourth proportional to 5,525.76, 8,288.64 and 1,365.78 is: 2,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.76 : 8,288.64 = 1,365.78 : x
  2. Step 2: Convert to fraction form
    5,525.76/8,288.64 = 1,365.78/x
  3. Step 3: Cross multiply
    5,525.76x = 8,288.64 × 1,365.78
  4. Step 4: Simplify right side
    5,525.76x = 11,320,458.74
  5. Step 5: Solve for x
    x = 11,320,458.74/5,525.76
  6. Step 6: Final answer
    x = 2,048.67

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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.