Home / 6,386.45-9,572.58-4,821.37

Finding the Fourth Proportional to 6,386.45, 9,572.58 and 4,821.37

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Solution

The fourth proportional to 6,386.45, 9,572.58 and 4,821.37 is: 7,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.45 : 9,572.58 = 4,821.37 : x
  2. Step 2: Convert to fraction form
    6,386.45/9,572.58 = 4,821.37/x
  3. Step 3: Cross multiply
    6,386.45x = 9,572.58 × 4,821.37
  4. Step 4: Simplify right side
    6,386.45x = 46,152,979.95
  5. Step 5: Solve for x
    x = 46,152,979.95/6,386.45
  6. Step 6: Final answer
    x = 7,226.71

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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.