Home / 7,281.36-10,912.71-6,340.44

Finding the Fourth Proportional to 7,281.36, 10,912.71 and 6,340.44

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Solution

The fourth proportional to 7,281.36, 10,912.71 and 6,340.44 is: 9,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.36 : 10,912.71 = 6,340.44 : x
  2. Step 2: Convert to fraction form
    7,281.36/10,912.71 = 6,340.44/x
  3. Step 3: Cross multiply
    7,281.36x = 10,912.71 × 6,340.44
  4. Step 4: Simplify right side
    7,281.36x = 69,191,382.99
  5. Step 5: Solve for x
    x = 69,191,382.99/7,281.36
  6. Step 6: Final answer
    x = 9,502.54

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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.