Home / 7,187.94-10,790.11-4,817.78

Finding the Fourth Proportional to 7,187.94, 10,790.11 and 4,817.78

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Solution

The fourth proportional to 7,187.94, 10,790.11 and 4,817.78 is: 7,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.94 : 10,790.11 = 4,817.78 : x
  2. Step 2: Convert to fraction form
    7,187.94/10,790.11 = 4,817.78/x
  3. Step 3: Cross multiply
    7,187.94x = 10,790.11 × 4,817.78
  4. Step 4: Simplify right side
    7,187.94x = 51,984,368.69
  5. Step 5: Solve for x
    x = 51,984,368.69/7,187.94
  6. Step 6: Final answer
    x = 7,232.17

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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.