Home / 4,520.79-6,238.80-2,531.77

Finding the Fourth Proportional to 4,520.79, 6,238.80 and 2,531.77

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Solution

The fourth proportional to 4,520.79, 6,238.80 and 2,531.77 is: 3,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.79 : 6,238.80 = 2,531.77 : x
  2. Step 2: Convert to fraction form
    4,520.79/6,238.80 = 2,531.77/x
  3. Step 3: Cross multiply
    4,520.79x = 6,238.80 × 2,531.77
  4. Step 4: Simplify right side
    4,520.79x = 15,795,191.08
  5. Step 5: Solve for x
    x = 15,795,191.08/4,520.79
  6. Step 6: Final answer
    x = 3,493.90

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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.