Home / 4,143.28-6,216-2,064.64

Finding the Fourth Proportional to 4,143.28, 6,216 and 2,064.64

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Solution

The fourth proportional to 4,143.28, 6,216 and 2,064.64 is: 3,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.28 : 6,216 = 2,064.64 : x
  2. Step 2: Convert to fraction form
    4,143.28/6,216 = 2,064.64/x
  3. Step 3: Cross multiply
    4,143.28x = 6,216 × 2,064.64
  4. Step 4: Simplify right side
    4,143.28x = 12,833,802.24
  5. Step 5: Solve for x
    x = 12,833,802.24/4,143.28
  6. Step 6: Final answer
    x = 3,097.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.