Home / 5,563.81-7,679.64-3,439.99

Finding the Fourth Proportional to 5,563.81, 7,679.64 and 3,439.99

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Solution

The fourth proportional to 5,563.81, 7,679.64 and 3,439.99 is: 4,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.81 : 7,679.64 = 3,439.99 : x
  2. Step 2: Convert to fraction form
    5,563.81/7,679.64 = 3,439.99/x
  3. Step 3: Cross multiply
    5,563.81x = 7,679.64 × 3,439.99
  4. Step 4: Simplify right side
    5,563.81x = 26,417,884.80
  5. Step 5: Solve for x
    x = 26,417,884.80/5,563.81
  6. Step 6: Final answer
    x = 4,748.16

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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.