Home / 6,723.12-10,085.76-2,828.64

Finding the Fourth Proportional to 6,723.12, 10,085.76 and 2,828.64

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Solution

The fourth proportional to 6,723.12, 10,085.76 and 2,828.64 is: 4,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.12 : 10,085.76 = 2,828.64 : x
  2. Step 2: Convert to fraction form
    6,723.12/10,085.76 = 2,828.64/x
  3. Step 3: Cross multiply
    6,723.12x = 10,085.76 × 2,828.64
  4. Step 4: Simplify right side
    6,723.12x = 28,528,984.17
  5. Step 5: Solve for x
    x = 28,528,984.17/6,723.12
  6. Step 6: Final answer
    x = 4,243.41

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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.