Home / 8,376.68-12,567.09-3,113.18

Finding the Fourth Proportional to 8,376.68, 12,567.09 and 3,113.18

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Solution

The fourth proportional to 8,376.68, 12,567.09 and 3,113.18 is: 4,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.68 : 12,567.09 = 3,113.18 : x
  2. Step 2: Convert to fraction form
    8,376.68/12,567.09 = 3,113.18/x
  3. Step 3: Cross multiply
    8,376.68x = 12,567.09 × 3,113.18
  4. Step 4: Simplify right side
    8,376.68x = 39,123,550.41
  5. Step 5: Solve for x
    x = 39,123,550.41/8,376.68
  6. Step 6: Final answer
    x = 4,670.53

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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.