Home / 5,620.28-8,430.56-1,922.48

Finding the Fourth Proportional to 5,620.28, 8,430.56 and 1,922.48

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Solution

The fourth proportional to 5,620.28, 8,430.56 and 1,922.48 is: 2,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.28 : 8,430.56 = 1,922.48 : x
  2. Step 2: Convert to fraction form
    5,620.28/8,430.56 = 1,922.48/x
  3. Step 3: Cross multiply
    5,620.28x = 8,430.56 × 1,922.48
  4. Step 4: Simplify right side
    5,620.28x = 16,207,582.99
  5. Step 5: Solve for x
    x = 16,207,582.99/5,620.28
  6. Step 6: Final answer
    x = 2,883.77

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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.