Home / 6,942.40-10,401.46-5,779.87

Finding the Fourth Proportional to 6,942.40, 10,401.46 and 5,779.87

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Solution

The fourth proportional to 6,942.40, 10,401.46 and 5,779.87 is: 8,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.40 : 10,401.46 = 5,779.87 : x
  2. Step 2: Convert to fraction form
    6,942.40/10,401.46 = 5,779.87/x
  3. Step 3: Cross multiply
    6,942.40x = 10,401.46 × 5,779.87
  4. Step 4: Simplify right side
    6,942.40x = 60,119,093.30
  5. Step 5: Solve for x
    x = 60,119,093.30/6,942.40
  6. Step 6: Final answer
    x = 8,659.70

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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.