Home / 5,645.84-8,465.41-2,313.09

Finding the Fourth Proportional to 5,645.84, 8,465.41 and 2,313.09

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Solution

The fourth proportional to 5,645.84, 8,465.41 and 2,313.09 is: 3,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.84 : 8,465.41 = 2,313.09 : x
  2. Step 2: Convert to fraction form
    5,645.84/8,465.41 = 2,313.09/x
  3. Step 3: Cross multiply
    5,645.84x = 8,465.41 × 2,313.09
  4. Step 4: Simplify right side
    5,645.84x = 19,581,258.11
  5. Step 5: Solve for x
    x = 19,581,258.11/5,645.84
  6. Step 6: Final answer
    x = 3,468.27

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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.