Home / 4,920.12-7,373.91-2,146.05

Finding the Fourth Proportional to 4,920.12, 7,373.91 and 2,146.05

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Solution

The fourth proportional to 4,920.12, 7,373.91 and 2,146.05 is: 3,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.12 : 7,373.91 = 2,146.05 : x
  2. Step 2: Convert to fraction form
    4,920.12/7,373.91 = 2,146.05/x
  3. Step 3: Cross multiply
    4,920.12x = 7,373.91 × 2,146.05
  4. Step 4: Simplify right side
    4,920.12x = 15,824,779.56
  5. Step 5: Solve for x
    x = 15,824,779.56/4,920.12
  6. Step 6: Final answer
    x = 3,216.34

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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.