Home / 4,380.53-6,569.78-1,458.05

Finding the Fourth Proportional to 4,380.53, 6,569.78 and 1,458.05

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Solution

The fourth proportional to 4,380.53, 6,569.78 and 1,458.05 is: 2,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.53 : 6,569.78 = 1,458.05 : x
  2. Step 2: Convert to fraction form
    4,380.53/6,569.78 = 1,458.05/x
  3. Step 3: Cross multiply
    4,380.53x = 6,569.78 × 1,458.05
  4. Step 4: Simplify right side
    4,380.53x = 9,579,027.59
  5. Step 5: Solve for x
    x = 9,579,027.59/4,380.53
  6. Step 6: Final answer
    x = 2,186.73

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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.