Home / 5,381.79-8,070.57-2,263.29

Finding the Fourth Proportional to 5,381.79, 8,070.57 and 2,263.29

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Solution

The fourth proportional to 5,381.79, 8,070.57 and 2,263.29 is: 3,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.79 : 8,070.57 = 2,263.29 : x
  2. Step 2: Convert to fraction form
    5,381.79/8,070.57 = 2,263.29/x
  3. Step 3: Cross multiply
    5,381.79x = 8,070.57 × 2,263.29
  4. Step 4: Simplify right side
    5,381.79x = 18,266,040.38
  5. Step 5: Solve for x
    x = 18,266,040.38/5,381.79
  6. Step 6: Final answer
    x = 3,394.05

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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.