Home / 4,970.10-6,857.28-3,083.16

Finding the Fourth Proportional to 4,970.10, 6,857.28 and 3,083.16

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Solution

The fourth proportional to 4,970.10, 6,857.28 and 3,083.16 is: 4,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.10 : 6,857.28 = 3,083.16 : x
  2. Step 2: Convert to fraction form
    4,970.10/6,857.28 = 3,083.16/x
  3. Step 3: Cross multiply
    4,970.10x = 6,857.28 × 3,083.16
  4. Step 4: Simplify right side
    4,970.10x = 21,142,091.40
  5. Step 5: Solve for x
    x = 21,142,091.40/4,970.10
  6. Step 6: Final answer
    x = 4,253.86

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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.