Home / 7,627.77-11,439.83-5,571.99

Finding the Fourth Proportional to 7,627.77, 11,439.83 and 5,571.99

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Solution

The fourth proportional to 7,627.77, 11,439.83 and 5,571.99 is: 8,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.77 : 11,439.83 = 5,571.99 : x
  2. Step 2: Convert to fraction form
    7,627.77/11,439.83 = 5,571.99/x
  3. Step 3: Cross multiply
    7,627.77x = 11,439.83 × 5,571.99
  4. Step 4: Simplify right side
    7,627.77x = 63,742,632.29
  5. Step 5: Solve for x
    x = 63,742,632.29/7,627.77
  6. Step 6: Final answer
    x = 8,356.65

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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.