Home / 5,938.70-8,905.53-1,779.29

Finding the Fourth Proportional to 5,938.70, 8,905.53 and 1,779.29

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Solution

The fourth proportional to 5,938.70, 8,905.53 and 1,779.29 is: 2,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.70 : 8,905.53 = 1,779.29 : x
  2. Step 2: Convert to fraction form
    5,938.70/8,905.53 = 1,779.29/x
  3. Step 3: Cross multiply
    5,938.70x = 8,905.53 × 1,779.29
  4. Step 4: Simplify right side
    5,938.70x = 15,845,549.41
  5. Step 5: Solve for x
    x = 15,845,549.41/5,938.70
  6. Step 6: Final answer
    x = 2,668.19

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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.