Home / 7,549.56-11,313.40-4,255.65

Finding the Fourth Proportional to 7,549.56, 11,313.40 and 4,255.65

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Solution

The fourth proportional to 7,549.56, 11,313.40 and 4,255.65 is: 6,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.56 : 11,313.40 = 4,255.65 : x
  2. Step 2: Convert to fraction form
    7,549.56/11,313.40 = 4,255.65/x
  3. Step 3: Cross multiply
    7,549.56x = 11,313.40 × 4,255.65
  4. Step 4: Simplify right side
    7,549.56x = 48,145,814.14
  5. Step 5: Solve for x
    x = 48,145,814.14/7,549.56
  6. Step 6: Final answer
    x = 6,377.30

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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.