Home / 6,394.10-9,605.55-6,221.30

Finding the Fourth Proportional to 6,394.10, 9,605.55 and 6,221.30

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Solution

The fourth proportional to 6,394.10, 9,605.55 and 6,221.30 is: 9,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.10 : 9,605.55 = 6,221.30 : x
  2. Step 2: Convert to fraction form
    6,394.10/9,605.55 = 6,221.30/x
  3. Step 3: Cross multiply
    6,394.10x = 9,605.55 × 6,221.30
  4. Step 4: Simplify right side
    6,394.10x = 59,759,008.22
  5. Step 5: Solve for x
    x = 59,759,008.22/6,394.10
  6. Step 6: Final answer
    x = 9,345.96

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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.