Home / 7,216.58-10,826.96-3,520.95

Finding the Fourth Proportional to 7,216.58, 10,826.96 and 3,520.95

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Solution

The fourth proportional to 7,216.58, 10,826.96 and 3,520.95 is: 5,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.58 : 10,826.96 = 3,520.95 : x
  2. Step 2: Convert to fraction form
    7,216.58/10,826.96 = 3,520.95/x
  3. Step 3: Cross multiply
    7,216.58x = 10,826.96 × 3,520.95
  4. Step 4: Simplify right side
    7,216.58x = 38,121,167.21
  5. Step 5: Solve for x
    x = 38,121,167.21/7,216.58
  6. Step 6: Final answer
    x = 5,282.45

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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.