Home / 6,816.76-10,223.31-1,886.67

Finding the Fourth Proportional to 6,816.76, 10,223.31 and 1,886.67

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Solution

The fourth proportional to 6,816.76, 10,223.31 and 1,886.67 is: 2,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.76 : 10,223.31 = 1,886.67 : x
  2. Step 2: Convert to fraction form
    6,816.76/10,223.31 = 1,886.67/x
  3. Step 3: Cross multiply
    6,816.76x = 10,223.31 × 1,886.67
  4. Step 4: Simplify right side
    6,816.76x = 19,287,990.60
  5. Step 5: Solve for x
    x = 19,287,990.60/6,816.76
  6. Step 6: Final answer
    x = 2,829.50

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Double scale
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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.