Home / 6,180.70-8,529.26-3,386.20

Finding the Fourth Proportional to 6,180.70, 8,529.26 and 3,386.20

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Solution

The fourth proportional to 6,180.70, 8,529.26 and 3,386.20 is: 4,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.70 : 8,529.26 = 3,386.20 : x
  2. Step 2: Convert to fraction form
    6,180.70/8,529.26 = 3,386.20/x
  3. Step 3: Cross multiply
    6,180.70x = 8,529.26 × 3,386.20
  4. Step 4: Simplify right side
    6,180.70x = 28,881,780.21
  5. Step 5: Solve for x
    x = 28,881,780.21/6,180.70
  6. Step 6: Final answer
    x = 4,672.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.