Home / 5,559.74-8,340.98-1,664.15

Finding the Fourth Proportional to 5,559.74, 8,340.98 and 1,664.15

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Solution

The fourth proportional to 5,559.74, 8,340.98 and 1,664.15 is: 2,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.74 : 8,340.98 = 1,664.15 : x
  2. Step 2: Convert to fraction form
    5,559.74/8,340.98 = 1,664.15/x
  3. Step 3: Cross multiply
    5,559.74x = 8,340.98 × 1,664.15
  4. Step 4: Simplify right side
    5,559.74x = 13,880,591.84
  5. Step 5: Solve for x
    x = 13,880,591.84/5,559.74
  6. Step 6: Final answer
    x = 2,496.63

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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.