Home / 6,666.09-9,998.11-4,193.36

Finding the Fourth Proportional to 6,666.09, 9,998.11 and 4,193.36

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Solution

The fourth proportional to 6,666.09, 9,998.11 and 4,193.36 is: 6,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.09 : 9,998.11 = 4,193.36 : x
  2. Step 2: Convert to fraction form
    6,666.09/9,998.11 = 4,193.36/x
  3. Step 3: Cross multiply
    6,666.09x = 9,998.11 × 4,193.36
  4. Step 4: Simplify right side
    6,666.09x = 41,925,674.55
  5. Step 5: Solve for x
    x = 41,925,674.55/6,666.09
  6. Step 6: Final answer
    x = 6,289.40

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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.