Home / 4,728.10-7,127.56-4,410.94

Finding the Fourth Proportional to 4,728.10, 7,127.56 and 4,410.94

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Solution

The fourth proportional to 4,728.10, 7,127.56 and 4,410.94 is: 6,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.10 : 7,127.56 = 4,410.94 : x
  2. Step 2: Convert to fraction form
    4,728.10/7,127.56 = 4,410.94/x
  3. Step 3: Cross multiply
    4,728.10x = 7,127.56 × 4,410.94
  4. Step 4: Simplify right side
    4,728.10x = 31,439,217.45
  5. Step 5: Solve for x
    x = 31,439,217.45/4,728.10
  6. Step 6: Final answer
    x = 6,649.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.