Home / 6,340.64-9,511.76-1,957.72

Finding the Fourth Proportional to 6,340.64, 9,511.76 and 1,957.72

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Solution

The fourth proportional to 6,340.64, 9,511.76 and 1,957.72 is: 2,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.64 : 9,511.76 = 1,957.72 : x
  2. Step 2: Convert to fraction form
    6,340.64/9,511.76 = 1,957.72/x
  3. Step 3: Cross multiply
    6,340.64x = 9,511.76 × 1,957.72
  4. Step 4: Simplify right side
    6,340.64x = 18,621,362.79
  5. Step 5: Solve for x
    x = 18,621,362.79/6,340.64
  6. Step 6: Final answer
    x = 2,936.83

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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.