Home / 5,465.49-8,193.79-2,175.40

Finding the Fourth Proportional to 5,465.49, 8,193.79 and 2,175.40

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Solution

The fourth proportional to 5,465.49, 8,193.79 and 2,175.40 is: 3,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.49 : 8,193.79 = 2,175.40 : x
  2. Step 2: Convert to fraction form
    5,465.49/8,193.79 = 2,175.40/x
  3. Step 3: Cross multiply
    5,465.49x = 8,193.79 × 2,175.40
  4. Step 4: Simplify right side
    5,465.49x = 17,824,770.77
  5. Step 5: Solve for x
    x = 17,824,770.77/5,465.49
  6. Step 6: Final answer
    x = 3,261.33

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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.