Home / 8,209.05-12,313.48-5,570.02

Finding the Fourth Proportional to 8,209.05, 12,313.48 and 5,570.02

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Solution

The fourth proportional to 8,209.05, 12,313.48 and 5,570.02 is: 8,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.05 : 12,313.48 = 5,570.02 : x
  2. Step 2: Convert to fraction form
    8,209.05/12,313.48 = 5,570.02/x
  3. Step 3: Cross multiply
    8,209.05x = 12,313.48 × 5,570.02
  4. Step 4: Simplify right side
    8,209.05x = 68,586,329.87
  5. Step 5: Solve for x
    x = 68,586,329.87/8,209.05
  6. Step 6: Final answer
    x = 8,354.97

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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.