Home / 5,465.20-8,197.80-3,125.92

Finding the Fourth Proportional to 5,465.20, 8,197.80 and 3,125.92

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Solution

The fourth proportional to 5,465.20, 8,197.80 and 3,125.92 is: 4,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.20 : 8,197.80 = 3,125.92 : x
  2. Step 2: Convert to fraction form
    5,465.20/8,197.80 = 3,125.92/x
  3. Step 3: Cross multiply
    5,465.20x = 8,197.80 × 3,125.92
  4. Step 4: Simplify right side
    5,465.20x = 25,625,666.98
  5. Step 5: Solve for x
    x = 25,625,666.98/5,465.20
  6. Step 6: Final answer
    x = 4,688.88

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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.