Home / 6,435.09-8,879.58-3,602.34

Finding the Fourth Proportional to 6,435.09, 8,879.58 and 3,602.34

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Solution

The fourth proportional to 6,435.09, 8,879.58 and 3,602.34 is: 4,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.09 : 8,879.58 = 3,602.34 : x
  2. Step 2: Convert to fraction form
    6,435.09/8,879.58 = 3,602.34/x
  3. Step 3: Cross multiply
    6,435.09x = 8,879.58 × 3,602.34
  4. Step 4: Simplify right side
    6,435.09x = 31,987,266.22
  5. Step 5: Solve for x
    x = 31,987,266.22/6,435.09
  6. Step 6: Final answer
    x = 4,970.76

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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.