Home / 4,259.25-6,389.98-1,485.94

Finding the Fourth Proportional to 4,259.25, 6,389.98 and 1,485.94

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Solution

The fourth proportional to 4,259.25, 6,389.98 and 1,485.94 is: 2,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.25 : 6,389.98 = 1,485.94 : x
  2. Step 2: Convert to fraction form
    4,259.25/6,389.98 = 1,485.94/x
  3. Step 3: Cross multiply
    4,259.25x = 6,389.98 × 1,485.94
  4. Step 4: Simplify right side
    4,259.25x = 9,495,099.11
  5. Step 5: Solve for x
    x = 9,495,099.11/4,259.25
  6. Step 6: Final answer
    x = 2,229.29

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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.