Home / 6,678.27-9,215.91-4,320.36

Finding the Fourth Proportional to 6,678.27, 9,215.91 and 4,320.36

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Solution

The fourth proportional to 6,678.27, 9,215.91 and 4,320.36 is: 5,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.27 : 9,215.91 = 4,320.36 : x
  2. Step 2: Convert to fraction form
    6,678.27/9,215.91 = 4,320.36/x
  3. Step 3: Cross multiply
    6,678.27x = 9,215.91 × 4,320.36
  4. Step 4: Simplify right side
    6,678.27x = 39,816,048.93
  5. Step 5: Solve for x
    x = 39,816,048.93/6,678.27
  6. Step 6: Final answer
    x = 5,962.03

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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.