Home / 5,003.12-7,504.16-1,540

Finding the Fourth Proportional to 5,003.12, 7,504.16 and 1,540

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Solution

The fourth proportional to 5,003.12, 7,504.16 and 1,540 is: 2,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.12 : 7,504.16 = 1,540 : x
  2. Step 2: Convert to fraction form
    5,003.12/7,504.16 = 1,540/x
  3. Step 3: Cross multiply
    5,003.12x = 7,504.16 × 1,540
  4. Step 4: Simplify right side
    5,003.12x = 11,556,406.40
  5. Step 5: Solve for x
    x = 11,556,406.40/5,003.12
  6. Step 6: Final answer
    x = 2,309.84

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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.