Home / 6,426.70-8,868.96-3,632.20

Finding the Fourth Proportional to 6,426.70, 8,868.96 and 3,632.20

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Solution

The fourth proportional to 6,426.70, 8,868.96 and 3,632.20 is: 5,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.70 : 8,868.96 = 3,632.20 : x
  2. Step 2: Convert to fraction form
    6,426.70/8,868.96 = 3,632.20/x
  3. Step 3: Cross multiply
    6,426.70x = 8,868.96 × 3,632.20
  4. Step 4: Simplify right side
    6,426.70x = 32,213,836.51
  5. Step 5: Solve for x
    x = 32,213,836.51/6,426.70
  6. Step 6: Final answer
    x = 5,012.50

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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.