Home / 6,298.36-8,690.82-3,779.93

Finding the Fourth Proportional to 6,298.36, 8,690.82 and 3,779.93

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Solution

The fourth proportional to 6,298.36, 8,690.82 and 3,779.93 is: 5,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.36 : 8,690.82 = 3,779.93 : x
  2. Step 2: Convert to fraction form
    6,298.36/8,690.82 = 3,779.93/x
  3. Step 3: Cross multiply
    6,298.36x = 8,690.82 × 3,779.93
  4. Step 4: Simplify right side
    6,298.36x = 32,850,698.79
  5. Step 5: Solve for x
    x = 32,850,698.79/6,298.36
  6. Step 6: Final answer
    x = 5,215.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.