Home / 4,530.78-6,251.90-2,642.76

Finding the Fourth Proportional to 4,530.78, 6,251.90 and 2,642.76

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Solution

The fourth proportional to 4,530.78, 6,251.90 and 2,642.76 is: 3,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.78 : 6,251.90 = 2,642.76 : x
  2. Step 2: Convert to fraction form
    4,530.78/6,251.90 = 2,642.76/x
  3. Step 3: Cross multiply
    4,530.78x = 6,251.90 × 2,642.76
  4. Step 4: Simplify right side
    4,530.78x = 16,522,258.03
  5. Step 5: Solve for x
    x = 16,522,258.03/4,530.78
  6. Step 6: Final answer
    x = 3,646.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.