Home / 4,886.56-7,331.36-1,423.84

Finding the Fourth Proportional to 4,886.56, 7,331.36 and 1,423.84

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Solution

The fourth proportional to 4,886.56, 7,331.36 and 1,423.84 is: 2,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.56 : 7,331.36 = 1,423.84 : x
  2. Step 2: Convert to fraction form
    4,886.56/7,331.36 = 1,423.84/x
  3. Step 3: Cross multiply
    4,886.56x = 7,331.36 × 1,423.84
  4. Step 4: Simplify right side
    4,886.56x = 10,438,683.62
  5. Step 5: Solve for x
    x = 10,438,683.62/4,886.56
  6. Step 6: Final answer
    x = 2,136.20

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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.