Home / 6,453.92-9,678.76-2,070.34

Finding the Fourth Proportional to 6,453.92, 9,678.76 and 2,070.34

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Solution

The fourth proportional to 6,453.92, 9,678.76 and 2,070.34 is: 3,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.92 : 9,678.76 = 2,070.34 : x
  2. Step 2: Convert to fraction form
    6,453.92/9,678.76 = 2,070.34/x
  3. Step 3: Cross multiply
    6,453.92x = 9,678.76 × 2,070.34
  4. Step 4: Simplify right side
    6,453.92x = 20,038,323.98
  5. Step 5: Solve for x
    x = 20,038,323.98/6,453.92
  6. Step 6: Final answer
    x = 3,104.83

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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.