Home / 4,342.45-6,513.67-1,222.45

Finding the Fourth Proportional to 4,342.45, 6,513.67 and 1,222.45

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Solution

The fourth proportional to 4,342.45, 6,513.67 and 1,222.45 is: 1,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.45 : 6,513.67 = 1,222.45 : x
  2. Step 2: Convert to fraction form
    4,342.45/6,513.67 = 1,222.45/x
  3. Step 3: Cross multiply
    4,342.45x = 6,513.67 × 1,222.45
  4. Step 4: Simplify right side
    4,342.45x = 7,962,662.48
  5. Step 5: Solve for x
    x = 7,962,662.48/4,342.45
  6. Step 6: Final answer
    x = 1,833.68

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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.