Home / 4,325.31-6,488.87-1,403.39

Finding the Fourth Proportional to 4,325.31, 6,488.87 and 1,403.39

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Solution

The fourth proportional to 4,325.31, 6,488.87 and 1,403.39 is: 2,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.31 : 6,488.87 = 1,403.39 : x
  2. Step 2: Convert to fraction form
    4,325.31/6,488.87 = 1,403.39/x
  3. Step 3: Cross multiply
    4,325.31x = 6,488.87 × 1,403.39
  4. Step 4: Simplify right side
    4,325.31x = 9,106,382.82
  5. Step 5: Solve for x
    x = 9,106,382.82/4,325.31
  6. Step 6: Final answer
    x = 2,105.37

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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.