Home / 6,628.68-9,942.26-1,698.35

Finding the Fourth Proportional to 6,628.68, 9,942.26 and 1,698.35

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Solution

The fourth proportional to 6,628.68, 9,942.26 and 1,698.35 is: 2,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.68 : 9,942.26 = 1,698.35 : x
  2. Step 2: Convert to fraction form
    6,628.68/9,942.26 = 1,698.35/x
  3. Step 3: Cross multiply
    6,628.68x = 9,942.26 × 1,698.35
  4. Step 4: Simplify right side
    6,628.68x = 16,885,379.07
  5. Step 5: Solve for x
    x = 16,885,379.07/6,628.68
  6. Step 6: Final answer
    x = 2,547.32

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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.