Home / 8,313.43-12,459.74-4,154.60

Finding the Fourth Proportional to 8,313.43, 12,459.74 and 4,154.60

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Solution

The fourth proportional to 8,313.43, 12,459.74 and 4,154.60 is: 6,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.43 : 12,459.74 = 4,154.60 : x
  2. Step 2: Convert to fraction form
    8,313.43/12,459.74 = 4,154.60/x
  3. Step 3: Cross multiply
    8,313.43x = 12,459.74 × 4,154.60
  4. Step 4: Simplify right side
    8,313.43x = 51,765,235.80
  5. Step 5: Solve for x
    x = 51,765,235.80/8,313.43
  6. Step 6: Final answer
    x = 6,226.70

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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.