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Finding the Fourth Proportional to 4,840.88, 6,693.81 and 3,844.40

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Solution

The fourth proportional to 4,840.88, 6,693.81 and 3,844.40 is: 5,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.88 : 6,693.81 = 3,844.40 : x
  2. Step 2: Convert to fraction form
    4,840.88/6,693.81 = 3,844.40/x
  3. Step 3: Cross multiply
    4,840.88x = 6,693.81 × 3,844.40
  4. Step 4: Simplify right side
    4,840.88x = 25,733,683.16
  5. Step 5: Solve for x
    x = 25,733,683.16/4,840.88
  6. Step 6: Final answer
    x = 5,315.91

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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.