Home / 8,313.49-12,459.46-3,377.40

Finding the Fourth Proportional to 8,313.49, 12,459.46 and 3,377.40

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Solution

The fourth proportional to 8,313.49, 12,459.46 and 3,377.40 is: 5,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.49 : 12,459.46 = 3,377.40 : x
  2. Step 2: Convert to fraction form
    8,313.49/12,459.46 = 3,377.40/x
  3. Step 3: Cross multiply
    8,313.49x = 12,459.46 × 3,377.40
  4. Step 4: Simplify right side
    8,313.49x = 42,080,580.20
  5. Step 5: Solve for x
    x = 42,080,580.20/8,313.49
  6. Step 6: Final answer
    x = 5,061.72

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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.