Home / 7,205.15-10,803.40-2,817.38

Finding the Fourth Proportional to 7,205.15, 10,803.40 and 2,817.38

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Solution

The fourth proportional to 7,205.15, 10,803.40 and 2,817.38 is: 4,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.15 : 10,803.40 = 2,817.38 : x
  2. Step 2: Convert to fraction form
    7,205.15/10,803.40 = 2,817.38/x
  3. Step 3: Cross multiply
    7,205.15x = 10,803.40 × 2,817.38
  4. Step 4: Simplify right side
    7,205.15x = 30,437,283.09
  5. Step 5: Solve for x
    x = 30,437,283.09/7,205.15
  6. Step 6: Final answer
    x = 4,224.38

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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.