Home / 8,313.24-12,459.09-3,377.15

Finding the Fourth Proportional to 8,313.24, 12,459.09 and 3,377.15

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Solution

The fourth proportional to 8,313.24, 12,459.09 and 3,377.15 is: 5,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.24 : 12,459.09 = 3,377.15 : x
  2. Step 2: Convert to fraction form
    8,313.24/12,459.09 = 3,377.15/x
  3. Step 3: Cross multiply
    8,313.24x = 12,459.09 × 3,377.15
  4. Step 4: Simplify right side
    8,313.24x = 42,076,215.79
  5. Step 5: Solve for x
    x = 42,076,215.79/8,313.24
  6. Step 6: Final answer
    x = 5,061.35

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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.