Home / 9,790.14-14,685.81-2,770.69

Finding the Fourth Proportional to 9,790.14, 14,685.81 and 2,770.69

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Solution

The fourth proportional to 9,790.14, 14,685.81 and 2,770.69 is: 4,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.14 : 14,685.81 = 2,770.69 : x
  2. Step 2: Convert to fraction form
    9,790.14/14,685.81 = 2,770.69/x
  3. Step 3: Cross multiply
    9,790.14x = 14,685.81 × 2,770.69
  4. Step 4: Simplify right side
    9,790.14x = 40,689,826.91
  5. Step 5: Solve for x
    x = 40,689,826.91/9,790.14
  6. Step 6: Final answer
    x = 4,156.20

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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.