Home / 5,438.57-8,156.87-2,476.30

Finding the Fourth Proportional to 5,438.57, 8,156.87 and 2,476.30

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Solution

The fourth proportional to 5,438.57, 8,156.87 and 2,476.30 is: 3,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.57 : 8,156.87 = 2,476.30 : x
  2. Step 2: Convert to fraction form
    5,438.57/8,156.87 = 2,476.30/x
  3. Step 3: Cross multiply
    5,438.57x = 8,156.87 × 2,476.30
  4. Step 4: Simplify right side
    5,438.57x = 20,198,844.80
  5. Step 5: Solve for x
    x = 20,198,844.80/5,438.57
  6. Step 6: Final answer
    x = 3,714.00

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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.