Home / 6,486.64-8,951.56-3,835

Finding the Fourth Proportional to 6,486.64, 8,951.56 and 3,835

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Solution

The fourth proportional to 6,486.64, 8,951.56 and 3,835 is: 5,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.64 : 8,951.56 = 3,835 : x
  2. Step 2: Convert to fraction form
    6,486.64/8,951.56 = 3,835/x
  3. Step 3: Cross multiply
    6,486.64x = 8,951.56 × 3,835
  4. Step 4: Simplify right side
    6,486.64x = 34,329,232.60
  5. Step 5: Solve for x
    x = 34,329,232.60/6,486.64
  6. Step 6: Final answer
    x = 5,292.30

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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.