Home / 4,830.64-6,672.68-3,889.92

Finding the Fourth Proportional to 4,830.64, 6,672.68 and 3,889.92

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Solution

The fourth proportional to 4,830.64, 6,672.68 and 3,889.92 is: 5,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.64 : 6,672.68 = 3,889.92 : x
  2. Step 2: Convert to fraction form
    4,830.64/6,672.68 = 3,889.92/x
  3. Step 3: Cross multiply
    4,830.64x = 6,672.68 × 3,889.92
  4. Step 4: Simplify right side
    4,830.64x = 25,956,211.55
  5. Step 5: Solve for x
    x = 25,956,211.55/4,830.64
  6. Step 6: Final answer
    x = 5,373.25

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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.