Home / 6,628.70-9,942.82-1,698.38

Finding the Fourth Proportional to 6,628.70, 9,942.82 and 1,698.38

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Solution

The fourth proportional to 6,628.70, 9,942.82 and 1,698.38 is: 2,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.70 : 9,942.82 = 1,698.38 : x
  2. Step 2: Convert to fraction form
    6,628.70/9,942.82 = 1,698.38/x
  3. Step 3: Cross multiply
    6,628.70x = 9,942.82 × 1,698.38
  4. Step 4: Simplify right side
    6,628.70x = 16,886,686.63
  5. Step 5: Solve for x
    x = 16,886,686.63/6,628.70
  6. Step 6: Final answer
    x = 2,547.51

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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.