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Finding the Fourth Proportional to 4,867.16, 6,719.15 and 3,803.02

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Solution

The fourth proportional to 4,867.16, 6,719.15 and 3,803.02 is: 5,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.16 : 6,719.15 = 3,803.02 : x
  2. Step 2: Convert to fraction form
    4,867.16/6,719.15 = 3,803.02/x
  3. Step 3: Cross multiply
    4,867.16x = 6,719.15 × 3,803.02
  4. Step 4: Simplify right side
    4,867.16x = 25,553,054.54
  5. Step 5: Solve for x
    x = 25,553,054.54/4,867.16
  6. Step 6: Final answer
    x = 5,250.10

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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.