Home / 6,821.55-10,230.71-4,629.69

Finding the Fourth Proportional to 6,821.55, 10,230.71 and 4,629.69

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Solution

The fourth proportional to 6,821.55, 10,230.71 and 4,629.69 is: 6,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.55 : 10,230.71 = 4,629.69 : x
  2. Step 2: Convert to fraction form
    6,821.55/10,230.71 = 4,629.69/x
  3. Step 3: Cross multiply
    6,821.55x = 10,230.71 × 4,629.69
  4. Step 4: Simplify right side
    6,821.55x = 47,364,992.63
  5. Step 5: Solve for x
    x = 47,364,992.63/6,821.55
  6. Step 6: Final answer
    x = 6,943.44

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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.