Home / 8,628.05-11,899.86-5,599.86

Finding the Fourth Proportional to 8,628.05, 11,899.86 and 5,599.86

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Solution

The fourth proportional to 8,628.05, 11,899.86 and 5,599.86 is: 7,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.05 : 11,899.86 = 5,599.86 : x
  2. Step 2: Convert to fraction form
    8,628.05/11,899.86 = 5,599.86/x
  3. Step 3: Cross multiply
    8,628.05x = 11,899.86 × 5,599.86
  4. Step 4: Simplify right side
    8,628.05x = 66,637,550.02
  5. Step 5: Solve for x
    x = 66,637,550.02/8,628.05
  6. Step 6: Final answer
    x = 7,723.37

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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.