Home / 8,313.64-12,439.17-4,618.52

Finding the Fourth Proportional to 8,313.64, 12,439.17 and 4,618.52

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Solution

The fourth proportional to 8,313.64, 12,439.17 and 4,618.52 is: 6,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.64 : 12,439.17 = 4,618.52 : x
  2. Step 2: Convert to fraction form
    8,313.64/12,439.17 = 4,618.52/x
  3. Step 3: Cross multiply
    8,313.64x = 12,439.17 × 4,618.52
  4. Step 4: Simplify right side
    8,313.64x = 57,450,539.88
  5. Step 5: Solve for x
    x = 57,450,539.88/8,313.64
  6. Step 6: Final answer
    x = 6,910.40

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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.