Home / 5,083.78-7,622.72-1,572.84

Finding the Fourth Proportional to 5,083.78, 7,622.72 and 1,572.84

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Solution

The fourth proportional to 5,083.78, 7,622.72 and 1,572.84 is: 2,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.78 : 7,622.72 = 1,572.84 : x
  2. Step 2: Convert to fraction form
    5,083.78/7,622.72 = 1,572.84/x
  3. Step 3: Cross multiply
    5,083.78x = 7,622.72 × 1,572.84
  4. Step 4: Simplify right side
    5,083.78x = 11,989,318.92
  5. Step 5: Solve for x
    x = 11,989,318.92/5,083.78
  6. Step 6: Final answer
    x = 2,358.35

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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.