Home / 4,688.45-6,468.99-2,698.64

Finding the Fourth Proportional to 4,688.45, 6,468.99 and 2,698.64

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Solution

The fourth proportional to 4,688.45, 6,468.99 and 2,698.64 is: 3,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.45 : 6,468.99 = 2,698.64 : x
  2. Step 2: Convert to fraction form
    4,688.45/6,468.99 = 2,698.64/x
  3. Step 3: Cross multiply
    4,688.45x = 6,468.99 × 2,698.64
  4. Step 4: Simplify right side
    4,688.45x = 17,457,475.17
  5. Step 5: Solve for x
    x = 17,457,475.17/4,688.45
  6. Step 6: Final answer
    x = 3,723.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.