Home / 5,605.21-8,403.36-3,632.86

Finding the Fourth Proportional to 5,605.21, 8,403.36 and 3,632.86

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Solution

The fourth proportional to 5,605.21, 8,403.36 and 3,632.86 is: 5,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.21 : 8,403.36 = 3,632.86 : x
  2. Step 2: Convert to fraction form
    5,605.21/8,403.36 = 3,632.86/x
  3. Step 3: Cross multiply
    5,605.21x = 8,403.36 × 3,632.86
  4. Step 4: Simplify right side
    5,605.21x = 30,528,230.41
  5. Step 5: Solve for x
    x = 30,528,230.41/5,605.21
  6. Step 6: Final answer
    x = 5,446.40

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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.