Home / 5,130.08-7,080.72-3,266

Finding the Fourth Proportional to 5,130.08, 7,080.72 and 3,266

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Solution

The fourth proportional to 5,130.08, 7,080.72 and 3,266 is: 4,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.08 : 7,080.72 = 3,266 : x
  2. Step 2: Convert to fraction form
    5,130.08/7,080.72 = 3,266/x
  3. Step 3: Cross multiply
    5,130.08x = 7,080.72 × 3,266
  4. Step 4: Simplify right side
    5,130.08x = 23,125,631.52
  5. Step 5: Solve for x
    x = 23,125,631.52/5,130.08
  6. Step 6: Final answer
    x = 4,507.85

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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.