Home / 5,541.12-8,313.68-3,430.29

Finding the Fourth Proportional to 5,541.12, 8,313.68 and 3,430.29

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Solution

The fourth proportional to 5,541.12, 8,313.68 and 3,430.29 is: 5,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.12 : 8,313.68 = 3,430.29 : x
  2. Step 2: Convert to fraction form
    5,541.12/8,313.68 = 3,430.29/x
  3. Step 3: Cross multiply
    5,541.12x = 8,313.68 × 3,430.29
  4. Step 4: Simplify right side
    5,541.12x = 28,518,290.54
  5. Step 5: Solve for x
    x = 28,518,290.54/5,541.12
  6. Step 6: Final answer
    x = 5,146.66

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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.