Home / 6,688.76-10,030.22-2,070.68

Finding the Fourth Proportional to 6,688.76, 10,030.22 and 2,070.68

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Solution

The fourth proportional to 6,688.76, 10,030.22 and 2,070.68 is: 3,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.76 : 10,030.22 = 2,070.68 : x
  2. Step 2: Convert to fraction form
    6,688.76/10,030.22 = 2,070.68/x
  3. Step 3: Cross multiply
    6,688.76x = 10,030.22 × 2,070.68
  4. Step 4: Simplify right side
    6,688.76x = 20,769,375.95
  5. Step 5: Solve for x
    x = 20,769,375.95/6,688.76
  6. Step 6: Final answer
    x = 3,105.12

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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.