Home / 4,260.84-6,391.26-1,140.87

Finding the Fourth Proportional to 4,260.84, 6,391.26 and 1,140.87

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Solution

The fourth proportional to 4,260.84, 6,391.26 and 1,140.87 is: 1,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.84 : 6,391.26 = 1,140.87 : x
  2. Step 2: Convert to fraction form
    4,260.84/6,391.26 = 1,140.87/x
  3. Step 3: Cross multiply
    4,260.84x = 6,391.26 × 1,140.87
  4. Step 4: Simplify right side
    4,260.84x = 7,291,596.80
  5. Step 5: Solve for x
    x = 7,291,596.80/4,260.84
  6. Step 6: Final answer
    x = 1,711.31

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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.