Home / 6,530.40-9,011.68-3,546.08

Finding the Fourth Proportional to 6,530.40, 9,011.68 and 3,546.08

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Solution

The fourth proportional to 6,530.40, 9,011.68 and 3,546.08 is: 4,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.40 : 9,011.68 = 3,546.08 : x
  2. Step 2: Convert to fraction form
    6,530.40/9,011.68 = 3,546.08/x
  3. Step 3: Cross multiply
    6,530.40x = 9,011.68 × 3,546.08
  4. Step 4: Simplify right side
    6,530.40x = 31,956,138.21
  5. Step 5: Solve for x
    x = 31,956,138.21/6,530.40
  6. Step 6: Final answer
    x = 4,893.44

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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.