Home / 4,669.70-6,441.34-2,780.02

Finding the Fourth Proportional to 4,669.70, 6,441.34 and 2,780.02

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Solution

The fourth proportional to 4,669.70, 6,441.34 and 2,780.02 is: 3,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.70 : 6,441.34 = 2,780.02 : x
  2. Step 2: Convert to fraction form
    4,669.70/6,441.34 = 2,780.02/x
  3. Step 3: Cross multiply
    4,669.70x = 6,441.34 × 2,780.02
  4. Step 4: Simplify right side
    4,669.70x = 17,907,007.92
  5. Step 5: Solve for x
    x = 17,907,007.92/4,669.70
  6. Step 6: Final answer
    x = 3,834.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.