Home / 4,261.60-6,390.58-1,340.13

Finding the Fourth Proportional to 4,261.60, 6,390.58 and 1,340.13

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Solution

The fourth proportional to 4,261.60, 6,390.58 and 1,340.13 is: 2,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.60 : 6,390.58 = 1,340.13 : x
  2. Step 2: Convert to fraction form
    4,261.60/6,390.58 = 1,340.13/x
  3. Step 3: Cross multiply
    4,261.60x = 6,390.58 × 1,340.13
  4. Step 4: Simplify right side
    4,261.60x = 8,564,207.98
  5. Step 5: Solve for x
    x = 8,564,207.98/4,261.60
  6. Step 6: Final answer
    x = 2,009.62

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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.