Home / 5,381.56-7,423.50-4,387.96

Finding the Fourth Proportional to 5,381.56, 7,423.50 and 4,387.96

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Solution

The fourth proportional to 5,381.56, 7,423.50 and 4,387.96 is: 6,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.56 : 7,423.50 = 4,387.96 : x
  2. Step 2: Convert to fraction form
    5,381.56/7,423.50 = 4,387.96/x
  3. Step 3: Cross multiply
    5,381.56x = 7,423.50 × 4,387.96
  4. Step 4: Simplify right side
    5,381.56x = 32,574,021.06
  5. Step 5: Solve for x
    x = 32,574,021.06/5,381.56
  6. Step 6: Final answer
    x = 6,052.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.