Home / 4,651.16-6,417.78-2,661.28

Finding the Fourth Proportional to 4,651.16, 6,417.78 and 2,661.28

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Solution

The fourth proportional to 4,651.16, 6,417.78 and 2,661.28 is: 3,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.16 : 6,417.78 = 2,661.28 : x
  2. Step 2: Convert to fraction form
    4,651.16/6,417.78 = 2,661.28/x
  3. Step 3: Cross multiply
    4,651.16x = 6,417.78 × 2,661.28
  4. Step 4: Simplify right side
    4,651.16x = 17,079,477.47
  5. Step 5: Solve for x
    x = 17,079,477.47/4,651.16
  6. Step 6: Final answer
    x = 3,672.09

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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.