Home / 5,394.42-8,088.59-1,645.54

Finding the Fourth Proportional to 5,394.42, 8,088.59 and 1,645.54

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Solution

The fourth proportional to 5,394.42, 8,088.59 and 1,645.54 is: 2,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.42 : 8,088.59 = 1,645.54 : x
  2. Step 2: Convert to fraction form
    5,394.42/8,088.59 = 1,645.54/x
  3. Step 3: Cross multiply
    5,394.42x = 8,088.59 × 1,645.54
  4. Step 4: Simplify right side
    5,394.42x = 13,310,082.28
  5. Step 5: Solve for x
    x = 13,310,082.28/5,394.42
  6. Step 6: Final answer
    x = 2,467.38

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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.