Home / 6,440.96-9,670.08-3,813.32

Finding the Fourth Proportional to 6,440.96, 9,670.08 and 3,813.32

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Solution

The fourth proportional to 6,440.96, 9,670.08 and 3,813.32 is: 5,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.96 : 9,670.08 = 3,813.32 : x
  2. Step 2: Convert to fraction form
    6,440.96/9,670.08 = 3,813.32/x
  3. Step 3: Cross multiply
    6,440.96x = 9,670.08 × 3,813.32
  4. Step 4: Simplify right side
    6,440.96x = 36,875,109.47
  5. Step 5: Solve for x
    x = 36,875,109.47/6,440.96
  6. Step 6: Final answer
    x = 5,725.10

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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.