Home / 4,311.69-6,466.92-1,389.63

Finding the Fourth Proportional to 4,311.69, 6,466.92 and 1,389.63

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Solution

The fourth proportional to 4,311.69, 6,466.92 and 1,389.63 is: 2,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.69 : 6,466.92 = 1,389.63 : x
  2. Step 2: Convert to fraction form
    4,311.69/6,466.92 = 1,389.63/x
  3. Step 3: Cross multiply
    4,311.69x = 6,466.92 × 1,389.63
  4. Step 4: Simplify right side
    4,311.69x = 8,986,626.04
  5. Step 5: Solve for x
    x = 8,986,626.04/4,311.69
  6. Step 6: Final answer
    x = 2,084.25

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1.5x scale

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.