Home / 6,343.80-8,754.23-3,511.13

Finding the Fourth Proportional to 6,343.80, 8,754.23 and 3,511.13

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Solution

The fourth proportional to 6,343.80, 8,754.23 and 3,511.13 is: 4,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.80 : 8,754.23 = 3,511.13 : x
  2. Step 2: Convert to fraction form
    6,343.80/8,754.23 = 3,511.13/x
  3. Step 3: Cross multiply
    6,343.80x = 8,754.23 × 3,511.13
  4. Step 4: Simplify right side
    6,343.80x = 30,737,222.02
  5. Step 5: Solve for x
    x = 30,737,222.02/6,343.80
  6. Step 6: Final answer
    x = 4,845.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.