Home / 6,315.52-8,712.28-3,796.44

Finding the Fourth Proportional to 6,315.52, 8,712.28 and 3,796.44

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Solution

The fourth proportional to 6,315.52, 8,712.28 and 3,796.44 is: 5,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.52 : 8,712.28 = 3,796.44 : x
  2. Step 2: Convert to fraction form
    6,315.52/8,712.28 = 3,796.44/x
  3. Step 3: Cross multiply
    6,315.52x = 8,712.28 × 3,796.44
  4. Step 4: Simplify right side
    6,315.52x = 33,075,648.28
  5. Step 5: Solve for x
    x = 33,075,648.28/6,315.52
  6. Step 6: Final answer
    x = 5,237.20

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1.5x scale

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.