Home / 7,131.68-10,693.60-2,199.95

Finding the Fourth Proportional to 7,131.68, 10,693.60 and 2,199.95

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Solution

The fourth proportional to 7,131.68, 10,693.60 and 2,199.95 is: 3,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.68 : 10,693.60 = 2,199.95 : x
  2. Step 2: Convert to fraction form
    7,131.68/10,693.60 = 2,199.95/x
  3. Step 3: Cross multiply
    7,131.68x = 10,693.60 × 2,199.95
  4. Step 4: Simplify right side
    7,131.68x = 23,525,385.32
  5. Step 5: Solve for x
    x = 23,525,385.32/7,131.68
  6. Step 6: Final answer
    x = 3,298.72

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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.