Home / 4,130.52-6,195.60-1,820.40

Finding the Fourth Proportional to 4,130.52, 6,195.60 and 1,820.40

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Solution

The fourth proportional to 4,130.52, 6,195.60 and 1,820.40 is: 2,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.52 : 6,195.60 = 1,820.40 : x
  2. Step 2: Convert to fraction form
    4,130.52/6,195.60 = 1,820.40/x
  3. Step 3: Cross multiply
    4,130.52x = 6,195.60 × 1,820.40
  4. Step 4: Simplify right side
    4,130.52x = 11,278,470.24
  5. Step 5: Solve for x
    x = 11,278,470.24/4,130.52
  6. Step 6: Final answer
    x = 2,730.52

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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.