Home / 5,620.13-8,430.22-2,288.44

Finding the Fourth Proportional to 5,620.13, 8,430.22 and 2,288.44

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Solution

The fourth proportional to 5,620.13, 8,430.22 and 2,288.44 is: 3,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.13 : 8,430.22 = 2,288.44 : x
  2. Step 2: Convert to fraction form
    5,620.13/8,430.22 = 2,288.44/x
  3. Step 3: Cross multiply
    5,620.13x = 8,430.22 × 2,288.44
  4. Step 4: Simplify right side
    5,620.13x = 19,292,010.51
  5. Step 5: Solve for x
    x = 19,292,010.51/5,620.13
  6. Step 6: Final answer
    x = 3,432.67

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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.