Home / 6,977.28-10,455.84-4,372.80

Finding the Fourth Proportional to 6,977.28, 10,455.84 and 4,372.80

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Solution

The fourth proportional to 6,977.28, 10,455.84 and 4,372.80 is: 6,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.28 : 10,455.84 = 4,372.80 : x
  2. Step 2: Convert to fraction form
    6,977.28/10,455.84 = 4,372.80/x
  3. Step 3: Cross multiply
    6,977.28x = 10,455.84 × 4,372.80
  4. Step 4: Simplify right side
    6,977.28x = 45,721,297.15
  5. Step 5: Solve for x
    x = 45,721,297.15/6,977.28
  6. Step 6: Final answer
    x = 6,552.88

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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.