Home / 8,248.40-12,374.43-4,090.67

Finding the Fourth Proportional to 8,248.40, 12,374.43 and 4,090.67

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Solution

The fourth proportional to 8,248.40, 12,374.43 and 4,090.67 is: 6,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.40 : 12,374.43 = 4,090.67 : x
  2. Step 2: Convert to fraction form
    8,248.40/12,374.43 = 4,090.67/x
  3. Step 3: Cross multiply
    8,248.40x = 12,374.43 × 4,090.67
  4. Step 4: Simplify right side
    8,248.40x = 50,619,709.57
  5. Step 5: Solve for x
    x = 50,619,709.57/8,248.40
  6. Step 6: Final answer
    x = 6,136.91

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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.