Home / 6,628.39-9,942.35-1,698.08

Finding the Fourth Proportional to 6,628.39, 9,942.35 and 1,698.08

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Solution

The fourth proportional to 6,628.39, 9,942.35 and 1,698.08 is: 2,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.39 : 9,942.35 = 1,698.08 : x
  2. Step 2: Convert to fraction form
    6,628.39/9,942.35 = 1,698.08/x
  3. Step 3: Cross multiply
    6,628.39x = 9,942.35 × 1,698.08
  4. Step 4: Simplify right side
    6,628.39x = 16,882,860.22
  5. Step 5: Solve for x
    x = 16,882,860.22/6,628.39
  6. Step 6: Final answer
    x = 2,547.05

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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.