Home / 5,688.96-8,538.32-2,228.64

Finding the Fourth Proportional to 5,688.96, 8,538.32 and 2,228.64

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Solution

The fourth proportional to 5,688.96, 8,538.32 and 2,228.64 is: 3,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.96 : 8,538.32 = 2,228.64 : x
  2. Step 2: Convert to fraction form
    5,688.96/8,538.32 = 2,228.64/x
  3. Step 3: Cross multiply
    5,688.96x = 8,538.32 × 2,228.64
  4. Step 4: Simplify right side
    5,688.96x = 19,028,841.48
  5. Step 5: Solve for x
    x = 19,028,841.48/5,688.96
  6. Step 6: Final answer
    x = 3,344.87

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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.