Home / 4,885.36-7,329.32-1,422.96

Finding the Fourth Proportional to 4,885.36, 7,329.32 and 1,422.96

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Solution

The fourth proportional to 4,885.36, 7,329.32 and 1,422.96 is: 2,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.36 : 7,329.32 = 1,422.96 : x
  2. Step 2: Convert to fraction form
    4,885.36/7,329.32 = 1,422.96/x
  3. Step 3: Cross multiply
    4,885.36x = 7,329.32 × 1,422.96
  4. Step 4: Simplify right side
    4,885.36x = 10,429,329.19
  5. Step 5: Solve for x
    x = 10,429,329.19/4,885.36
  6. Step 6: Final answer
    x = 2,134.81

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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.