Home / 6,456.91-9,684.45-2,073.80

Finding the Fourth Proportional to 6,456.91, 9,684.45 and 2,073.80

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Solution

The fourth proportional to 6,456.91, 9,684.45 and 2,073.80 is: 3,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.91 : 9,684.45 = 2,073.80 : x
  2. Step 2: Convert to fraction form
    6,456.91/9,684.45 = 2,073.80/x
  3. Step 3: Cross multiply
    6,456.91x = 9,684.45 × 2,073.80
  4. Step 4: Simplify right side
    6,456.91x = 20,083,563.99
  5. Step 5: Solve for x
    x = 20,083,563.99/6,456.91
  6. Step 6: Final answer
    x = 3,110.40

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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.