Home / 4,130.59-6,191.88-1,355.35

Finding the Fourth Proportional to 4,130.59, 6,191.88 and 1,355.35

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Solution

The fourth proportional to 4,130.59, 6,191.88 and 1,355.35 is: 2,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.59 : 6,191.88 = 1,355.35 : x
  2. Step 2: Convert to fraction form
    4,130.59/6,191.88 = 1,355.35/x
  3. Step 3: Cross multiply
    4,130.59x = 6,191.88 × 1,355.35
  4. Step 4: Simplify right side
    4,130.59x = 8,392,164.56
  5. Step 5: Solve for x
    x = 8,392,164.56/4,130.59
  6. Step 6: Final answer
    x = 2,031.71

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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.