Home / 4,811.40-6,634.71-4,280.85

Finding the Fourth Proportional to 4,811.40, 6,634.71 and 4,280.85

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Solution

The fourth proportional to 4,811.40, 6,634.71 and 4,280.85 is: 5,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.40 : 6,634.71 = 4,280.85 : x
  2. Step 2: Convert to fraction form
    4,811.40/6,634.71 = 4,280.85/x
  3. Step 3: Cross multiply
    4,811.40x = 6,634.71 × 4,280.85
  4. Step 4: Simplify right side
    4,811.40x = 28,402,198.30
  5. Step 5: Solve for x
    x = 28,402,198.30/4,811.40
  6. Step 6: Final answer
    x = 5,903.10

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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.