Home / 4,629.80-6,389.10-4,253.25

Finding the Fourth Proportional to 4,629.80, 6,389.10 and 4,253.25

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Solution

The fourth proportional to 4,629.80, 6,389.10 and 4,253.25 is: 5,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.80 : 6,389.10 = 4,253.25 : x
  2. Step 2: Convert to fraction form
    4,629.80/6,389.10 = 4,253.25/x
  3. Step 3: Cross multiply
    4,629.80x = 6,389.10 × 4,253.25
  4. Step 4: Simplify right side
    4,629.80x = 27,174,439.58
  5. Step 5: Solve for x
    x = 27,174,439.58/4,629.80
  6. Step 6: Final answer
    x = 5,869.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.