Home / 4,862.32-7,292.64-1,398.72

Finding the Fourth Proportional to 4,862.32, 7,292.64 and 1,398.72

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Solution

The fourth proportional to 4,862.32, 7,292.64 and 1,398.72 is: 2,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.32 : 7,292.64 = 1,398.72 : x
  2. Step 2: Convert to fraction form
    4,862.32/7,292.64 = 1,398.72/x
  3. Step 3: Cross multiply
    4,862.32x = 7,292.64 × 1,398.72
  4. Step 4: Simplify right side
    4,862.32x = 10,200,361.42
  5. Step 5: Solve for x
    x = 10,200,361.42/4,862.32
  6. Step 6: Final answer
    x = 2,097.84

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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.