Home / 5,189.63-7,784.40-1,294.02

Finding the Fourth Proportional to 5,189.63, 7,784.40 and 1,294.02

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Solution

The fourth proportional to 5,189.63, 7,784.40 and 1,294.02 is: 1,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.63 : 7,784.40 = 1,294.02 : x
  2. Step 2: Convert to fraction form
    5,189.63/7,784.40 = 1,294.02/x
  3. Step 3: Cross multiply
    5,189.63x = 7,784.40 × 1,294.02
  4. Step 4: Simplify right side
    5,189.63x = 10,073,169.29
  5. Step 5: Solve for x
    x = 10,073,169.29/5,189.63
  6. Step 6: Final answer
    x = 1,941.02

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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.