Home / 4,352.92-6,530.10-1,431.40

Finding the Fourth Proportional to 4,352.92, 6,530.10 and 1,431.40

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Solution

The fourth proportional to 4,352.92, 6,530.10 and 1,431.40 is: 2,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,352.92 : 6,530.10 = 1,431.40 : x
  2. Step 2: Convert to fraction form
    4,352.92/6,530.10 = 1,431.40/x
  3. Step 3: Cross multiply
    4,352.92x = 6,530.10 × 1,431.40
  4. Step 4: Simplify right side
    4,352.92x = 9,347,185.14
  5. Step 5: Solve for x
    x = 9,347,185.14/4,352.92
  6. Step 6: Final answer
    x = 2,147.34

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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.