Home / 6,666.42-10,005.84-3,550.08

Finding the Fourth Proportional to 6,666.42, 10,005.84 and 3,550.08

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Solution

The fourth proportional to 6,666.42, 10,005.84 and 3,550.08 is: 5,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.42 : 10,005.84 = 3,550.08 : x
  2. Step 2: Convert to fraction form
    6,666.42/10,005.84 = 3,550.08/x
  3. Step 3: Cross multiply
    6,666.42x = 10,005.84 × 3,550.08
  4. Step 4: Simplify right side
    6,666.42x = 35,521,532.47
  5. Step 5: Solve for x
    x = 35,521,532.47/6,666.42
  6. Step 6: Final answer
    x = 5,328.43

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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.