Home / 4,753.80-7,130.70-3,004.20

Finding the Fourth Proportional to 4,753.80, 7,130.70 and 3,004.20

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Solution

The fourth proportional to 4,753.80, 7,130.70 and 3,004.20 is: 4,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.80 : 7,130.70 = 3,004.20 : x
  2. Step 2: Convert to fraction form
    4,753.80/7,130.70 = 3,004.20/x
  3. Step 3: Cross multiply
    4,753.80x = 7,130.70 × 3,004.20
  4. Step 4: Simplify right side
    4,753.80x = 21,422,048.94
  5. Step 5: Solve for x
    x = 21,422,048.94/4,753.80
  6. Step 6: Final answer
    x = 4,506.30

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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.