Home / 6,406.30-9,609.45-4,328.65

Finding the Fourth Proportional to 6,406.30, 9,609.45 and 4,328.65

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Solution

The fourth proportional to 6,406.30, 9,609.45 and 4,328.65 is: 6,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.30 : 9,609.45 = 4,328.65 : x
  2. Step 2: Convert to fraction form
    6,406.30/9,609.45 = 4,328.65/x
  3. Step 3: Cross multiply
    6,406.30x = 9,609.45 × 4,328.65
  4. Step 4: Simplify right side
    6,406.30x = 41,595,945.74
  5. Step 5: Solve for x
    x = 41,595,945.74/6,406.30
  6. Step 6: Final answer
    x = 6,492.98

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Similar ratio
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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.