Home / 6,779.20-10,158.72-4,006.48

Finding the Fourth Proportional to 6,779.20, 10,158.72 and 4,006.48

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Solution

The fourth proportional to 6,779.20, 10,158.72 and 4,006.48 is: 6,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.20 : 10,158.72 = 4,006.48 : x
  2. Step 2: Convert to fraction form
    6,779.20/10,158.72 = 4,006.48/x
  3. Step 3: Cross multiply
    6,779.20x = 10,158.72 × 4,006.48
  4. Step 4: Simplify right side
    6,779.20x = 40,700,708.51
  5. Step 5: Solve for x
    x = 40,700,708.51/6,779.20
  6. Step 6: Final answer
    x = 6,003.76

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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.