Home / 9,716.20-14,574.30-2,790.70

Finding the Fourth Proportional to 9,716.20, 14,574.30 and 2,790.70

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Solution

The fourth proportional to 9,716.20, 14,574.30 and 2,790.70 is: 4,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.20 : 14,574.30 = 2,790.70 : x
  2. Step 2: Convert to fraction form
    9,716.20/14,574.30 = 2,790.70/x
  3. Step 3: Cross multiply
    9,716.20x = 14,574.30 × 2,790.70
  4. Step 4: Simplify right side
    9,716.20x = 40,672,557.64
  5. Step 5: Solve for x
    x = 40,672,557.64/9,716.20
  6. Step 6: Final answer
    x = 4,186.05

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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.