Home / 5,578.84-8,368.32-1,683.28

Finding the Fourth Proportional to 5,578.84, 8,368.32 and 1,683.28

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Solution

The fourth proportional to 5,578.84, 8,368.32 and 1,683.28 is: 2,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.84 : 8,368.32 = 1,683.28 : x
  2. Step 2: Convert to fraction form
    5,578.84/8,368.32 = 1,683.28/x
  3. Step 3: Cross multiply
    5,578.84x = 8,368.32 × 1,683.28
  4. Step 4: Simplify right side
    5,578.84x = 14,086,225.69
  5. Step 5: Solve for x
    x = 14,086,225.69/5,578.84
  6. Step 6: Final answer
    x = 2,524.94

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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.