Home / 5,383.04-7,428.78-3,025.13

Finding the Fourth Proportional to 5,383.04, 7,428.78 and 3,025.13

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Solution

The fourth proportional to 5,383.04, 7,428.78 and 3,025.13 is: 4,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.04 : 7,428.78 = 3,025.13 : x
  2. Step 2: Convert to fraction form
    5,383.04/7,428.78 = 3,025.13/x
  3. Step 3: Cross multiply
    5,383.04x = 7,428.78 × 3,025.13
  4. Step 4: Simplify right side
    5,383.04x = 22,472,988.10
  5. Step 5: Solve for x
    x = 22,472,988.10/5,383.04
  6. Step 6: Final answer
    x = 4,174.78

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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.