Home / 5,284.64-7,292.72-2,894.58

Finding the Fourth Proportional to 5,284.64, 7,292.72 and 2,894.58

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Solution

The fourth proportional to 5,284.64, 7,292.72 and 2,894.58 is: 3,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.64 : 7,292.72 = 2,894.58 : x
  2. Step 2: Convert to fraction form
    5,284.64/7,292.72 = 2,894.58/x
  3. Step 3: Cross multiply
    5,284.64x = 7,292.72 × 2,894.58
  4. Step 4: Simplify right side
    5,284.64x = 21,109,361.46
  5. Step 5: Solve for x
    x = 21,109,361.46/5,284.64
  6. Step 6: Final answer
    x = 3,994.48

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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.