Home / 6,628.38-9,942.56-1,698.03

Finding the Fourth Proportional to 6,628.38, 9,942.56 and 1,698.03

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Solution

The fourth proportional to 6,628.38, 9,942.56 and 1,698.03 is: 2,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.38 : 9,942.56 = 1,698.03 : x
  2. Step 2: Convert to fraction form
    6,628.38/9,942.56 = 1,698.03/x
  3. Step 3: Cross multiply
    6,628.38x = 9,942.56 × 1,698.03
  4. Step 4: Simplify right side
    6,628.38x = 16,882,765.16
  5. Step 5: Solve for x
    x = 16,882,765.16/6,628.38
  6. Step 6: Final answer
    x = 2,547.04

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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.