Home / 6,814.12-9,403.56-4,125.30

Finding the Fourth Proportional to 6,814.12, 9,403.56 and 4,125.30

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Solution

The fourth proportional to 6,814.12, 9,403.56 and 4,125.30 is: 5,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.12 : 9,403.56 = 4,125.30 : x
  2. Step 2: Convert to fraction form
    6,814.12/9,403.56 = 4,125.30/x
  3. Step 3: Cross multiply
    6,814.12x = 9,403.56 × 4,125.30
  4. Step 4: Simplify right side
    6,814.12x = 38,792,459.05
  5. Step 5: Solve for x
    x = 38,792,459.05/6,814.12
  6. Step 6: Final answer
    x = 5,692.96

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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.