Home / 4,635.81-6,395.64-2,957.28

Finding the Fourth Proportional to 4,635.81, 6,395.64 and 2,957.28

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Solution

The fourth proportional to 4,635.81, 6,395.64 and 2,957.28 is: 4,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.81 : 6,395.64 = 2,957.28 : x
  2. Step 2: Convert to fraction form
    4,635.81/6,395.64 = 2,957.28/x
  3. Step 3: Cross multiply
    4,635.81x = 6,395.64 × 2,957.28
  4. Step 4: Simplify right side
    4,635.81x = 18,913,698.26
  5. Step 5: Solve for x
    x = 18,913,698.26/4,635.81
  6. Step 6: Final answer
    x = 4,079.91

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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.