Home / 4,291.43-6,437.72-1,330.11

Finding the Fourth Proportional to 4,291.43, 6,437.72 and 1,330.11

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Solution

The fourth proportional to 4,291.43, 6,437.72 and 1,330.11 is: 1,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.43 : 6,437.72 = 1,330.11 : x
  2. Step 2: Convert to fraction form
    4,291.43/6,437.72 = 1,330.11/x
  3. Step 3: Cross multiply
    4,291.43x = 6,437.72 × 1,330.11
  4. Step 4: Simplify right side
    4,291.43x = 8,562,879.07
  5. Step 5: Solve for x
    x = 8,562,879.07/4,291.43
  6. Step 6: Final answer
    x = 1,995.34

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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.