Home / 4,353.32-6,529.30-1,431.60

Finding the Fourth Proportional to 4,353.32, 6,529.30 and 1,431.60

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Solution

The fourth proportional to 4,353.32, 6,529.30 and 1,431.60 is: 2,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.32 : 6,529.30 = 1,431.60 : x
  2. Step 2: Convert to fraction form
    4,353.32/6,529.30 = 1,431.60/x
  3. Step 3: Cross multiply
    4,353.32x = 6,529.30 × 1,431.60
  4. Step 4: Simplify right side
    4,353.32x = 9,347,342.30
  5. Step 5: Solve for x
    x = 9,347,342.30/4,353.32
  6. Step 6: Final answer
    x = 2,147.18

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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.