Home / 6,216.64-9,312.18-3,288.76

Finding the Fourth Proportional to 6,216.64, 9,312.18 and 3,288.76

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Solution

The fourth proportional to 6,216.64, 9,312.18 and 3,288.76 is: 4,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.64 : 9,312.18 = 3,288.76 : x
  2. Step 2: Convert to fraction form
    6,216.64/9,312.18 = 3,288.76/x
  3. Step 3: Cross multiply
    6,216.64x = 9,312.18 × 3,288.76
  4. Step 4: Simplify right side
    6,216.64x = 30,625,525.10
  5. Step 5: Solve for x
    x = 30,625,525.10/6,216.64
  6. Step 6: Final answer
    x = 4,926.38

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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.