Home / 4,245.49-6,368.23-1,323.79

Finding the Fourth Proportional to 4,245.49, 6,368.23 and 1,323.79

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Solution

The fourth proportional to 4,245.49, 6,368.23 and 1,323.79 is: 1,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.49 : 6,368.23 = 1,323.79 : x
  2. Step 2: Convert to fraction form
    4,245.49/6,368.23 = 1,323.79/x
  3. Step 3: Cross multiply
    4,245.49x = 6,368.23 × 1,323.79
  4. Step 4: Simplify right side
    4,245.49x = 8,430,164.04
  5. Step 5: Solve for x
    x = 8,430,164.04/4,245.49
  6. Step 6: Final answer
    x = 1,985.68

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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.