Home / 4,283.51-6,425.96-1,321.26

Finding the Fourth Proportional to 4,283.51, 6,425.96 and 1,321.26

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Solution

The fourth proportional to 4,283.51, 6,425.96 and 1,321.26 is: 1,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.51 : 6,425.96 = 1,321.26 : x
  2. Step 2: Convert to fraction form
    4,283.51/6,425.96 = 1,321.26/x
  3. Step 3: Cross multiply
    4,283.51x = 6,425.96 × 1,321.26
  4. Step 4: Simplify right side
    4,283.51x = 8,490,357.30
  5. Step 5: Solve for x
    x = 8,490,357.30/4,283.51
  6. Step 6: Final answer
    x = 1,982.11

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Double scale
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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.