Home / 5,130.01-7,080.78-3,006.01

Finding the Fourth Proportional to 5,130.01, 7,080.78 and 3,006.01

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Solution

The fourth proportional to 5,130.01, 7,080.78 and 3,006.01 is: 4,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.01 : 7,080.78 = 3,006.01 : x
  2. Step 2: Convert to fraction form
    5,130.01/7,080.78 = 3,006.01/x
  3. Step 3: Cross multiply
    5,130.01x = 7,080.78 × 3,006.01
  4. Step 4: Simplify right side
    5,130.01x = 21,284,895.49
  5. Step 5: Solve for x
    x = 21,284,895.49/5,130.01
  6. Step 6: Final answer
    x = 4,149.09

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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.