Home / 6,426.66-8,868.78-3,632.16

Finding the Fourth Proportional to 6,426.66, 8,868.78 and 3,632.16

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Solution

The fourth proportional to 6,426.66, 8,868.78 and 3,632.16 is: 5,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.66 : 8,868.78 = 3,632.16 : x
  2. Step 2: Convert to fraction form
    6,426.66/8,868.78 = 3,632.16/x
  3. Step 3: Cross multiply
    6,426.66x = 8,868.78 × 3,632.16
  4. Step 4: Simplify right side
    6,426.66x = 32,212,827.96
  5. Step 5: Solve for x
    x = 32,212,827.96/6,426.66
  6. Step 6: Final answer
    x = 5,012.37

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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.