Home / 8,438.00-12,654.36-6,090.62

Finding the Fourth Proportional to 8,438.00, 12,654.36 and 6,090.62

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Solution

The fourth proportional to 8,438.00, 12,654.36 and 6,090.62 is: 9,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.00 : 12,654.36 = 6,090.62 : x
  2. Step 2: Convert to fraction form
    8,438.00/12,654.36 = 6,090.62/x
  3. Step 3: Cross multiply
    8,438.00x = 12,654.36 × 6,090.62
  4. Step 4: Simplify right side
    8,438.00x = 77,072,834.83
  5. Step 5: Solve for x
    x = 77,072,834.83/8,438.00
  6. Step 6: Final answer
    x = 9,134.02

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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.