Home / 5,683.57-8,526.70-1,787.98

Finding the Fourth Proportional to 5,683.57, 8,526.70 and 1,787.98

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Solution

The fourth proportional to 5,683.57, 8,526.70 and 1,787.98 is: 2,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.57 : 8,526.70 = 1,787.98 : x
  2. Step 2: Convert to fraction form
    5,683.57/8,526.70 = 1,787.98/x
  3. Step 3: Cross multiply
    5,683.57x = 8,526.70 × 1,787.98
  4. Step 4: Simplify right side
    5,683.57x = 15,245,569.07
  5. Step 5: Solve for x
    x = 15,245,569.07/5,683.57
  6. Step 6: Final answer
    x = 2,682.39

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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.