Home / 5,386.05-7,430.94-3,027.69

Finding the Fourth Proportional to 5,386.05, 7,430.94 and 3,027.69

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Solution

The fourth proportional to 5,386.05, 7,430.94 and 3,027.69 is: 4,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.05 : 7,430.94 = 3,027.69 : x
  2. Step 2: Convert to fraction form
    5,386.05/7,430.94 = 3,027.69/x
  3. Step 3: Cross multiply
    5,386.05x = 7,430.94 × 3,027.69
  4. Step 4: Simplify right side
    5,386.05x = 22,498,582.73
  5. Step 5: Solve for x
    x = 22,498,582.73/5,386.05
  6. Step 6: Final answer
    x = 4,177.20

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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.