Home / 6,405.28-9,609.72-4,652.02

Finding the Fourth Proportional to 6,405.28, 9,609.72 and 4,652.02

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Solution

The fourth proportional to 6,405.28, 9,609.72 and 4,652.02 is: 6,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.28 : 9,609.72 = 4,652.02 : x
  2. Step 2: Convert to fraction form
    6,405.28/9,609.72 = 4,652.02/x
  3. Step 3: Cross multiply
    6,405.28x = 9,609.72 × 4,652.02
  4. Step 4: Simplify right side
    6,405.28x = 44,704,609.63
  5. Step 5: Solve for x
    x = 44,704,609.63/6,405.28
  6. Step 6: Final answer
    x = 6,979.34

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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.