Home / 4,311.12-6,468.84-1,715.88

Finding the Fourth Proportional to 4,311.12, 6,468.84 and 1,715.88

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Solution

The fourth proportional to 4,311.12, 6,468.84 and 1,715.88 is: 2,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.12 : 6,468.84 = 1,715.88 : x
  2. Step 2: Convert to fraction form
    4,311.12/6,468.84 = 1,715.88/x
  3. Step 3: Cross multiply
    4,311.12x = 6,468.84 × 1,715.88
  4. Step 4: Simplify right side
    4,311.12x = 11,099,753.18
  5. Step 5: Solve for x
    x = 11,099,753.18/4,311.12
  6. Step 6: Final answer
    x = 2,574.68

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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.