Home / 4,342.36-6,513.90-1,222.39

Finding the Fourth Proportional to 4,342.36, 6,513.90 and 1,222.39

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Solution

The fourth proportional to 4,342.36, 6,513.90 and 1,222.39 is: 1,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.36 : 6,513.90 = 1,222.39 : x
  2. Step 2: Convert to fraction form
    4,342.36/6,513.90 = 1,222.39/x
  3. Step 3: Cross multiply
    4,342.36x = 6,513.90 × 1,222.39
  4. Step 4: Simplify right side
    4,342.36x = 7,962,526.22
  5. Step 5: Solve for x
    x = 7,962,526.22/4,342.36
  6. Step 6: Final answer
    x = 1,833.69

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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.