Home / 6,830.40-10,245.78-2,670.24

Finding the Fourth Proportional to 6,830.40, 10,245.78 and 2,670.24

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Solution

The fourth proportional to 6,830.40, 10,245.78 and 2,670.24 is: 4,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.40 : 10,245.78 = 2,670.24 : x
  2. Step 2: Convert to fraction form
    6,830.40/10,245.78 = 2,670.24/x
  3. Step 3: Cross multiply
    6,830.40x = 10,245.78 × 2,670.24
  4. Step 4: Simplify right side
    6,830.40x = 27,358,691.59
  5. Step 5: Solve for x
    x = 27,358,691.59/6,830.40
  6. Step 6: Final answer
    x = 4,005.43

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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.