Home / 5,440.68-8,158.32-2,666.16

Finding the Fourth Proportional to 5,440.68, 8,158.32 and 2,666.16

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Solution

The fourth proportional to 5,440.68, 8,158.32 and 2,666.16 is: 3,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.68 : 8,158.32 = 2,666.16 : x
  2. Step 2: Convert to fraction form
    5,440.68/8,158.32 = 2,666.16/x
  3. Step 3: Cross multiply
    5,440.68x = 8,158.32 × 2,666.16
  4. Step 4: Simplify right side
    5,440.68x = 21,751,386.45
  5. Step 5: Solve for x
    x = 21,751,386.45/5,440.68
  6. Step 6: Final answer
    x = 3,997.92

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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.