Home / 4,808.49-7,213.46-1,688.87

Finding the Fourth Proportional to 4,808.49, 7,213.46 and 1,688.87

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Solution

The fourth proportional to 4,808.49, 7,213.46 and 1,688.87 is: 2,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.49 : 7,213.46 = 1,688.87 : x
  2. Step 2: Convert to fraction form
    4,808.49/7,213.46 = 1,688.87/x
  3. Step 3: Cross multiply
    4,808.49x = 7,213.46 × 1,688.87
  4. Step 4: Simplify right side
    4,808.49x = 12,182,551.68
  5. Step 5: Solve for x
    x = 12,182,551.68/4,808.49
  6. Step 6: Final answer
    x = 2,533.55

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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.