Home / 6,862.41-9,469.56-3,878.50

Finding the Fourth Proportional to 6,862.41, 9,469.56 and 3,878.50

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Solution

The fourth proportional to 6,862.41, 9,469.56 and 3,878.50 is: 5,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.41 : 9,469.56 = 3,878.50 : x
  2. Step 2: Convert to fraction form
    6,862.41/9,469.56 = 3,878.50/x
  3. Step 3: Cross multiply
    6,862.41x = 9,469.56 × 3,878.50
  4. Step 4: Simplify right side
    6,862.41x = 36,727,688.46
  5. Step 5: Solve for x
    x = 36,727,688.46/6,862.41
  6. Step 6: Final answer
    x = 5,352.01

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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.