Home / 4,886.28-7,330.62-1,423.56

Finding the Fourth Proportional to 4,886.28, 7,330.62 and 1,423.56

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Solution

The fourth proportional to 4,886.28, 7,330.62 and 1,423.56 is: 2,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.28 : 7,330.62 = 1,423.56 : x
  2. Step 2: Convert to fraction form
    4,886.28/7,330.62 = 1,423.56/x
  3. Step 3: Cross multiply
    4,886.28x = 7,330.62 × 1,423.56
  4. Step 4: Simplify right side
    4,886.28x = 10,435,577.41
  5. Step 5: Solve for x
    x = 10,435,577.41/4,886.28
  6. Step 6: Final answer
    x = 2,135.69

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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.