Home / 6,666.16-9,998.78-4,063.64

Finding the Fourth Proportional to 6,666.16, 9,998.78 and 4,063.64

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Solution

The fourth proportional to 6,666.16, 9,998.78 and 4,063.64 is: 6,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.16 : 9,998.78 = 4,063.64 : x
  2. Step 2: Convert to fraction form
    6,666.16/9,998.78 = 4,063.64/x
  3. Step 3: Cross multiply
    6,666.16x = 9,998.78 × 4,063.64
  4. Step 4: Simplify right side
    6,666.16x = 40,631,442.36
  5. Step 5: Solve for x
    x = 40,631,442.36/6,666.16
  6. Step 6: Final answer
    x = 6,095.18

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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.