Home / 6,698.08-9,243.69-3,864.40

Finding the Fourth Proportional to 6,698.08, 9,243.69 and 3,864.40

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Solution

The fourth proportional to 6,698.08, 9,243.69 and 3,864.40 is: 5,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.08 : 9,243.69 = 3,864.40 : x
  2. Step 2: Convert to fraction form
    6,698.08/9,243.69 = 3,864.40/x
  3. Step 3: Cross multiply
    6,698.08x = 9,243.69 × 3,864.40
  4. Step 4: Simplify right side
    6,698.08x = 35,721,315.64
  5. Step 5: Solve for x
    x = 35,721,315.64/6,698.08
  6. Step 6: Final answer
    x = 5,333.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.