Home / 5,438.06-8,156.12-2,475.80

Finding the Fourth Proportional to 5,438.06, 8,156.12 and 2,475.80

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Solution

The fourth proportional to 5,438.06, 8,156.12 and 2,475.80 is: 3,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.06 : 8,156.12 = 2,475.80 : x
  2. Step 2: Convert to fraction form
    5,438.06/8,156.12 = 2,475.80/x
  3. Step 3: Cross multiply
    5,438.06x = 8,156.12 × 2,475.80
  4. Step 4: Simplify right side
    5,438.06x = 20,192,899.32
  5. Step 5: Solve for x
    x = 20,192,899.32/5,438.06
  6. Step 6: Final answer
    x = 3,713.25

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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.