Home / 4,389.62-6,580.70-1,922.58

Finding the Fourth Proportional to 4,389.62, 6,580.70 and 1,922.58

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Solution

The fourth proportional to 4,389.62, 6,580.70 and 1,922.58 is: 2,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.62 : 6,580.70 = 1,922.58 : x
  2. Step 2: Convert to fraction form
    4,389.62/6,580.70 = 1,922.58/x
  3. Step 3: Cross multiply
    4,389.62x = 6,580.70 × 1,922.58
  4. Step 4: Simplify right side
    4,389.62x = 12,651,922.21
  5. Step 5: Solve for x
    x = 12,651,922.21/4,389.62
  6. Step 6: Final answer
    x = 2,882.24

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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.