Home / 6,712.02-9,261.99-3,878.91

Finding the Fourth Proportional to 6,712.02, 9,261.99 and 3,878.91

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Solution

The fourth proportional to 6,712.02, 9,261.99 and 3,878.91 is: 5,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.02 : 9,261.99 = 3,878.91 : x
  2. Step 2: Convert to fraction form
    6,712.02/9,261.99 = 3,878.91/x
  3. Step 3: Cross multiply
    6,712.02x = 9,261.99 × 3,878.91
  4. Step 4: Simplify right side
    6,712.02x = 35,926,425.63
  5. Step 5: Solve for x
    x = 35,926,425.63/6,712.02
  6. Step 6: Final answer
    x = 5,352.55

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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.