Home / 6,828.40-10,242.80-2,668.24

Finding the Fourth Proportional to 6,828.40, 10,242.80 and 2,668.24

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Solution

The fourth proportional to 6,828.40, 10,242.80 and 2,668.24 is: 4,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.40 : 10,242.80 = 2,668.24 : x
  2. Step 2: Convert to fraction form
    6,828.40/10,242.80 = 2,668.24/x
  3. Step 3: Cross multiply
    6,828.40x = 10,242.80 × 2,668.24
  4. Step 4: Simplify right side
    6,828.40x = 27,330,248.67
  5. Step 5: Solve for x
    x = 27,330,248.67/6,828.40
  6. Step 6: Final answer
    x = 4,002.44

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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.