Home / 5,683.80-8,525.76-1,788.60

Finding the Fourth Proportional to 5,683.80, 8,525.76 and 1,788.60

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Solution

The fourth proportional to 5,683.80, 8,525.76 and 1,788.60 is: 2,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.80 : 8,525.76 = 1,788.60 : x
  2. Step 2: Convert to fraction form
    5,683.80/8,525.76 = 1,788.60/x
  3. Step 3: Cross multiply
    5,683.80x = 8,525.76 × 1,788.60
  4. Step 4: Simplify right side
    5,683.80x = 15,249,174.34
  5. Step 5: Solve for x
    x = 15,249,174.34/5,683.80
  6. Step 6: Final answer
    x = 2,682.92

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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.