Home / 5,180.63-7,145.33-3,364.07

Finding the Fourth Proportional to 5,180.63, 7,145.33 and 3,364.07

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Solution

The fourth proportional to 5,180.63, 7,145.33 and 3,364.07 is: 4,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.63 : 7,145.33 = 3,364.07 : x
  2. Step 2: Convert to fraction form
    5,180.63/7,145.33 = 3,364.07/x
  3. Step 3: Cross multiply
    5,180.63x = 7,145.33 × 3,364.07
  4. Step 4: Simplify right side
    5,180.63x = 24,037,416.57
  5. Step 5: Solve for x
    x = 24,037,416.57/5,180.63
  6. Step 6: Final answer
    x = 4,639.86

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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.