Home / 4,077.64-6,112.16-1,609.07

Finding the Fourth Proportional to 4,077.64, 6,112.16 and 1,609.07

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Solution

The fourth proportional to 4,077.64, 6,112.16 and 1,609.07 is: 2,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.64 : 6,112.16 = 1,609.07 : x
  2. Step 2: Convert to fraction form
    4,077.64/6,112.16 = 1,609.07/x
  3. Step 3: Cross multiply
    4,077.64x = 6,112.16 × 1,609.07
  4. Step 4: Simplify right side
    4,077.64x = 9,834,860.72
  5. Step 5: Solve for x
    x = 9,834,860.72/4,077.64
  6. Step 6: Final answer
    x = 2,411.90

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1.5x scale

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.