Home / 6,526.92-9,791.58-2,145.64

Finding the Fourth Proportional to 6,526.92, 9,791.58 and 2,145.64

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Solution

The fourth proportional to 6,526.92, 9,791.58 and 2,145.64 is: 3,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.92 : 9,791.58 = 2,145.64 : x
  2. Step 2: Convert to fraction form
    6,526.92/9,791.58 = 2,145.64/x
  3. Step 3: Cross multiply
    6,526.92x = 9,791.58 × 2,145.64
  4. Step 4: Simplify right side
    6,526.92x = 21,009,205.71
  5. Step 5: Solve for x
    x = 21,009,205.71/6,526.92
  6. Step 6: Final answer
    x = 3,218.85

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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.