Home / 5,523.70-8,285.55-1,628.10

Finding the Fourth Proportional to 5,523.70, 8,285.55 and 1,628.10

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Solution

The fourth proportional to 5,523.70, 8,285.55 and 1,628.10 is: 2,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.70 : 8,285.55 = 1,628.10 : x
  2. Step 2: Convert to fraction form
    5,523.70/8,285.55 = 1,628.10/x
  3. Step 3: Cross multiply
    5,523.70x = 8,285.55 × 1,628.10
  4. Step 4: Simplify right side
    5,523.70x = 13,489,703.96
  5. Step 5: Solve for x
    x = 13,489,703.96/5,523.70
  6. Step 6: Final answer
    x = 2,442.15

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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.