Home / 5,383.05-8,073.35-1,920.30

Finding the Fourth Proportional to 5,383.05, 8,073.35 and 1,920.30

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Solution

The fourth proportional to 5,383.05, 8,073.35 and 1,920.30 is: 2,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.05 : 8,073.35 = 1,920.30 : x
  2. Step 2: Convert to fraction form
    5,383.05/8,073.35 = 1,920.30/x
  3. Step 3: Cross multiply
    5,383.05x = 8,073.35 × 1,920.30
  4. Step 4: Simplify right side
    5,383.05x = 15,503,254.01
  5. Step 5: Solve for x
    x = 15,503,254.01/5,383.05
  6. Step 6: Final answer
    x = 2,880.01

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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.