Home / 6,780.16-10,170.25-1,849.80

Finding the Fourth Proportional to 6,780.16, 10,170.25 and 1,849.80

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Solution

The fourth proportional to 6,780.16, 10,170.25 and 1,849.80 is: 2,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.16 : 10,170.25 = 1,849.80 : x
  2. Step 2: Convert to fraction form
    6,780.16/10,170.25 = 1,849.80/x
  3. Step 3: Cross multiply
    6,780.16x = 10,170.25 × 1,849.80
  4. Step 4: Simplify right side
    6,780.16x = 18,812,928.45
  5. Step 5: Solve for x
    x = 18,812,928.45/6,780.16
  6. Step 6: Final answer
    x = 2,774.70

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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.