Home / 5,418.48-8,130.96-3,701.28

Finding the Fourth Proportional to 5,418.48, 8,130.96 and 3,701.28

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Solution

The fourth proportional to 5,418.48, 8,130.96 and 3,701.28 is: 5,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.48 : 8,130.96 = 3,701.28 : x
  2. Step 2: Convert to fraction form
    5,418.48/8,130.96 = 3,701.28/x
  3. Step 3: Cross multiply
    5,418.48x = 8,130.96 × 3,701.28
  4. Step 4: Simplify right side
    5,418.48x = 30,094,959.63
  5. Step 5: Solve for x
    x = 30,094,959.63/5,418.48
  6. Step 6: Final answer
    x = 5,554.13

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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.