Home / 9,790.35-14,685.53-2,770.43

Finding the Fourth Proportional to 9,790.35, 14,685.53 and 2,770.43

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Solution

The fourth proportional to 9,790.35, 14,685.53 and 2,770.43 is: 4,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.35 : 14,685.53 = 2,770.43 : x
  2. Step 2: Convert to fraction form
    9,790.35/14,685.53 = 2,770.43/x
  3. Step 3: Cross multiply
    9,790.35x = 14,685.53 × 2,770.43
  4. Step 4: Simplify right side
    9,790.35x = 40,685,145.60
  5. Step 5: Solve for x
    x = 40,685,145.60/9,790.35
  6. Step 6: Final answer
    x = 4,155.64

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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.