Home / 6,363.36-8,779.28-4,126.96

Finding the Fourth Proportional to 6,363.36, 8,779.28 and 4,126.96

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Solution

The fourth proportional to 6,363.36, 8,779.28 and 4,126.96 is: 5,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.36 : 8,779.28 = 4,126.96 : x
  2. Step 2: Convert to fraction form
    6,363.36/8,779.28 = 4,126.96/x
  3. Step 3: Cross multiply
    6,363.36x = 8,779.28 × 4,126.96
  4. Step 4: Simplify right side
    6,363.36x = 36,231,737.39
  5. Step 5: Solve for x
    x = 36,231,737.39/6,363.36
  6. Step 6: Final answer
    x = 5,693.81

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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.