Home / 5,437.08-8,154.36-1,540.80

Finding the Fourth Proportional to 5,437.08, 8,154.36 and 1,540.80

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Solution

The fourth proportional to 5,437.08, 8,154.36 and 1,540.80 is: 2,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.08 : 8,154.36 = 1,540.80 : x
  2. Step 2: Convert to fraction form
    5,437.08/8,154.36 = 1,540.80/x
  3. Step 3: Cross multiply
    5,437.08x = 8,154.36 × 1,540.80
  4. Step 4: Simplify right side
    5,437.08x = 12,564,237.89
  5. Step 5: Solve for x
    x = 12,564,237.89/5,437.08
  6. Step 6: Final answer
    x = 2,310.84

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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.