Home / 5,303.78-7,958.39-2,381.49

Finding the Fourth Proportional to 5,303.78, 7,958.39 and 2,381.49

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Solution

The fourth proportional to 5,303.78, 7,958.39 and 2,381.49 is: 3,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.78 : 7,958.39 = 2,381.49 : x
  2. Step 2: Convert to fraction form
    5,303.78/7,958.39 = 2,381.49/x
  3. Step 3: Cross multiply
    5,303.78x = 7,958.39 × 2,381.49
  4. Step 4: Simplify right side
    5,303.78x = 18,952,814.29
  5. Step 5: Solve for x
    x = 18,952,814.29/5,303.78
  6. Step 6: Final answer
    x = 3,573.46

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1.5x scale

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.