Home / 4,569.80-6,851.64-2,101.28

Finding the Fourth Proportional to 4,569.80, 6,851.64 and 2,101.28

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Solution

The fourth proportional to 4,569.80, 6,851.64 and 2,101.28 is: 3,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,569.80 : 6,851.64 = 2,101.28 : x
  2. Step 2: Convert to fraction form
    4,569.80/6,851.64 = 2,101.28/x
  3. Step 3: Cross multiply
    4,569.80x = 6,851.64 × 2,101.28
  4. Step 4: Simplify right side
    4,569.80x = 14,397,214.10
  5. Step 5: Solve for x
    x = 14,397,214.10/4,569.80
  6. Step 6: Final answer
    x = 3,150.51

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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.