Home / 6,779.18-10,156.08-3,997.55

Finding the Fourth Proportional to 6,779.18, 10,156.08 and 3,997.55

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Solution

The fourth proportional to 6,779.18, 10,156.08 and 3,997.55 is: 5,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.18 : 10,156.08 = 3,997.55 : x
  2. Step 2: Convert to fraction form
    6,779.18/10,156.08 = 3,997.55/x
  3. Step 3: Cross multiply
    6,779.18x = 10,156.08 × 3,997.55
  4. Step 4: Simplify right side
    6,779.18x = 40,599,437.60
  5. Step 5: Solve for x
    x = 40,599,437.60/6,779.18
  6. Step 6: Final answer
    x = 5,988.84

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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.