Home / 6,828.96-10,230.31-4,188.76

Finding the Fourth Proportional to 6,828.96, 10,230.31 and 4,188.76

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Solution

The fourth proportional to 6,828.96, 10,230.31 and 4,188.76 is: 6,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.96 : 10,230.31 = 4,188.76 : x
  2. Step 2: Convert to fraction form
    6,828.96/10,230.31 = 4,188.76/x
  3. Step 3: Cross multiply
    6,828.96x = 10,230.31 × 4,188.76
  4. Step 4: Simplify right side
    6,828.96x = 42,852,313.32
  5. Step 5: Solve for x
    x = 42,852,313.32/6,828.96
  6. Step 6: Final answer
    x = 6,275.09

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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.