Home / 5,655.24-8,485.14-1,960.05

Finding the Fourth Proportional to 5,655.24, 8,485.14 and 1,960.05

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Solution

The fourth proportional to 5,655.24, 8,485.14 and 1,960.05 is: 2,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.24 : 8,485.14 = 1,960.05 : x
  2. Step 2: Convert to fraction form
    5,655.24/8,485.14 = 1,960.05/x
  3. Step 3: Cross multiply
    5,655.24x = 8,485.14 × 1,960.05
  4. Step 4: Simplify right side
    5,655.24x = 16,631,298.66
  5. Step 5: Solve for x
    x = 16,631,298.66/5,655.24
  6. Step 6: Final answer
    x = 2,940.87

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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.