Home / 6,528.08-9,790.32-2,145.08

Finding the Fourth Proportional to 6,528.08, 9,790.32 and 2,145.08

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Solution

The fourth proportional to 6,528.08, 9,790.32 and 2,145.08 is: 3,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.08 : 9,790.32 = 2,145.08 : x
  2. Step 2: Convert to fraction form
    6,528.08/9,790.32 = 2,145.08/x
  3. Step 3: Cross multiply
    6,528.08x = 9,790.32 × 2,145.08
  4. Step 4: Simplify right side
    6,528.08x = 21,001,019.63
  5. Step 5: Solve for x
    x = 21,001,019.63/6,528.08
  6. Step 6: Final answer
    x = 3,217.03

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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.