Home / 4,610.88-6,920.64-2,147.40

Finding the Fourth Proportional to 4,610.88, 6,920.64 and 2,147.40

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Solution

The fourth proportional to 4,610.88, 6,920.64 and 2,147.40 is: 3,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.88 : 6,920.64 = 2,147.40 : x
  2. Step 2: Convert to fraction form
    4,610.88/6,920.64 = 2,147.40/x
  3. Step 3: Cross multiply
    4,610.88x = 6,920.64 × 2,147.40
  4. Step 4: Simplify right side
    4,610.88x = 14,861,382.34
  5. Step 5: Solve for x
    x = 14,861,382.34/4,610.88
  6. Step 6: Final answer
    x = 3,223.11

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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.