Home / 4,390.12-6,585.60-1,427.86

Finding the Fourth Proportional to 4,390.12, 6,585.60 and 1,427.86

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Solution

The fourth proportional to 4,390.12, 6,585.60 and 1,427.86 is: 2,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.12 : 6,585.60 = 1,427.86 : x
  2. Step 2: Convert to fraction form
    4,390.12/6,585.60 = 1,427.86/x
  3. Step 3: Cross multiply
    4,390.12x = 6,585.60 × 1,427.86
  4. Step 4: Simplify right side
    4,390.12x = 9,403,314.82
  5. Step 5: Solve for x
    x = 9,403,314.82/4,390.12
  6. Step 6: Final answer
    x = 2,141.93

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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.