Home / 5,440.05-8,141.44-3,776.07

Finding the Fourth Proportional to 5,440.05, 8,141.44 and 3,776.07

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Solution

The fourth proportional to 5,440.05, 8,141.44 and 3,776.07 is: 5,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.05 : 8,141.44 = 3,776.07 : x
  2. Step 2: Convert to fraction form
    5,440.05/8,141.44 = 3,776.07/x
  3. Step 3: Cross multiply
    5,440.05x = 8,141.44 × 3,776.07
  4. Step 4: Simplify right side
    5,440.05x = 30,742,619.10
  5. Step 5: Solve for x
    x = 30,742,619.10/5,440.05
  6. Step 6: Final answer
    x = 5,651.16

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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.