Home / 7,218.64-10,827.96-3,325.76

Finding the Fourth Proportional to 7,218.64, 10,827.96 and 3,325.76

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Solution

The fourth proportional to 7,218.64, 10,827.96 and 3,325.76 is: 4,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.64 : 10,827.96 = 3,325.76 : x
  2. Step 2: Convert to fraction form
    7,218.64/10,827.96 = 3,325.76/x
  3. Step 3: Cross multiply
    7,218.64x = 10,827.96 × 3,325.76
  4. Step 4: Simplify right side
    7,218.64x = 36,011,196.25
  5. Step 5: Solve for x
    x = 36,011,196.25/7,218.64
  6. Step 6: Final answer
    x = 4,988.64

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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.