Home / 4,459.37-6,688.53-1,172.72

Finding the Fourth Proportional to 4,459.37, 6,688.53 and 1,172.72

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Solution

The fourth proportional to 4,459.37, 6,688.53 and 1,172.72 is: 1,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.37 : 6,688.53 = 1,172.72 : x
  2. Step 2: Convert to fraction form
    4,459.37/6,688.53 = 1,172.72/x
  3. Step 3: Cross multiply
    4,459.37x = 6,688.53 × 1,172.72
  4. Step 4: Simplify right side
    4,459.37x = 7,843,797.38
  5. Step 5: Solve for x
    x = 7,843,797.38/4,459.37
  6. Step 6: Final answer
    x = 1,758.95

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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.