Home / 5,609.66-8,416.31-2,688.19

Finding the Fourth Proportional to 5,609.66, 8,416.31 and 2,688.19

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Solution

The fourth proportional to 5,609.66, 8,416.31 and 2,688.19 is: 4,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.66 : 8,416.31 = 2,688.19 : x
  2. Step 2: Convert to fraction form
    5,609.66/8,416.31 = 2,688.19/x
  3. Step 3: Cross multiply
    5,609.66x = 8,416.31 × 2,688.19
  4. Step 4: Simplify right side
    5,609.66x = 22,624,605.90
  5. Step 5: Solve for x
    x = 22,624,605.90/5,609.66
  6. Step 6: Final answer
    x = 4,033.15

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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.