Home / 6,435.23-8,879.96-3,602.42

Finding the Fourth Proportional to 6,435.23, 8,879.96 and 3,602.42

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Solution

The fourth proportional to 6,435.23, 8,879.96 and 3,602.42 is: 4,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.23 : 8,879.96 = 3,602.42 : x
  2. Step 2: Convert to fraction form
    6,435.23/8,879.96 = 3,602.42/x
  3. Step 3: Cross multiply
    6,435.23x = 8,879.96 × 3,602.42
  4. Step 4: Simplify right side
    6,435.23x = 31,989,310.11
  5. Step 5: Solve for x
    x = 31,989,310.11/6,435.23
  6. Step 6: Final answer
    x = 4,970.97

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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.