Home / 6,500.40-9,749.84-2,601.92

Finding the Fourth Proportional to 6,500.40, 9,749.84 and 2,601.92

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Solution

The fourth proportional to 6,500.40, 9,749.84 and 2,601.92 is: 3,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500.40 : 9,749.84 = 2,601.92 : x
  2. Step 2: Convert to fraction form
    6,500.40/9,749.84 = 2,601.92/x
  3. Step 3: Cross multiply
    6,500.40x = 9,749.84 × 2,601.92
  4. Step 4: Simplify right side
    6,500.40x = 25,368,303.69
  5. Step 5: Solve for x
    x = 25,368,303.69/6,500.40
  6. Step 6: Final answer
    x = 3,902.58

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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.