Home / 7,749.28-11,621.59-2,203.07

Finding the Fourth Proportional to 7,749.28, 11,621.59 and 2,203.07

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Solution

The fourth proportional to 7,749.28, 11,621.59 and 2,203.07 is: 3,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.28 : 11,621.59 = 2,203.07 : x
  2. Step 2: Convert to fraction form
    7,749.28/11,621.59 = 2,203.07/x
  3. Step 3: Cross multiply
    7,749.28x = 11,621.59 × 2,203.07
  4. Step 4: Simplify right side
    7,749.28x = 25,603,176.28
  5. Step 5: Solve for x
    x = 25,603,176.28/7,749.28
  6. Step 6: Final answer
    x = 3,303.94

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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.