Home / 4,389.21-6,582.18-1,890.18

Finding the Fourth Proportional to 4,389.21, 6,582.18 and 1,890.18

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Solution

The fourth proportional to 4,389.21, 6,582.18 and 1,890.18 is: 2,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.21 : 6,582.18 = 1,890.18 : x
  2. Step 2: Convert to fraction form
    4,389.21/6,582.18 = 1,890.18/x
  3. Step 3: Cross multiply
    4,389.21x = 6,582.18 × 1,890.18
  4. Step 4: Simplify right side
    4,389.21x = 12,441,504.99
  5. Step 5: Solve for x
    x = 12,441,504.99/4,389.21
  6. Step 6: Final answer
    x = 2,834.57

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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.