Home / 6,261.84-8,641.48-3,429.28

Finding the Fourth Proportional to 6,261.84, 8,641.48 and 3,429.28

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Solution

The fourth proportional to 6,261.84, 8,641.48 and 3,429.28 is: 4,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.84 : 8,641.48 = 3,429.28 : x
  2. Step 2: Convert to fraction form
    6,261.84/8,641.48 = 3,429.28/x
  3. Step 3: Cross multiply
    6,261.84x = 8,641.48 × 3,429.28
  4. Step 4: Simplify right side
    6,261.84x = 29,634,054.53
  5. Step 5: Solve for x
    x = 29,634,054.53/6,261.84
  6. Step 6: Final answer
    x = 4,732.48

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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.