Home / 6,666.74-9,199.32-3,682.40

Finding the Fourth Proportional to 6,666.74, 9,199.32 and 3,682.40

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Solution

The fourth proportional to 6,666.74, 9,199.32 and 3,682.40 is: 5,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.74 : 9,199.32 = 3,682.40 : x
  2. Step 2: Convert to fraction form
    6,666.74/9,199.32 = 3,682.40/x
  3. Step 3: Cross multiply
    6,666.74x = 9,199.32 × 3,682.40
  4. Step 4: Simplify right side
    6,666.74x = 33,875,575.97
  5. Step 5: Solve for x
    x = 33,875,575.97/6,666.74
  6. Step 6: Final answer
    x = 5,081.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.