Home / 6,434.03-8,879.00-3,639.47

Finding the Fourth Proportional to 6,434.03, 8,879.00 and 3,639.47

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Solution

The fourth proportional to 6,434.03, 8,879.00 and 3,639.47 is: 5,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.03 : 8,879.00 = 3,639.47 : x
  2. Step 2: Convert to fraction form
    6,434.03/8,879.00 = 3,639.47/x
  3. Step 3: Cross multiply
    6,434.03x = 8,879.00 × 3,639.47
  4. Step 4: Simplify right side
    6,434.03x = 32,314,835.93
  5. Step 5: Solve for x
    x = 32,314,835.93/6,434.03
  6. Step 6: Final answer
    x = 5,022.49

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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.