Home / 4,886.28-7,329.42-1,423.26

Finding the Fourth Proportional to 4,886.28, 7,329.42 and 1,423.26

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Solution

The fourth proportional to 4,886.28, 7,329.42 and 1,423.26 is: 2,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.28 : 7,329.42 = 1,423.26 : x
  2. Step 2: Convert to fraction form
    4,886.28/7,329.42 = 1,423.26/x
  3. Step 3: Cross multiply
    4,886.28x = 7,329.42 × 1,423.26
  4. Step 4: Simplify right side
    4,886.28x = 10,431,670.31
  5. Step 5: Solve for x
    x = 10,431,670.31/4,886.28
  6. Step 6: Final answer
    x = 2,134.89

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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.