Home / 5,579.15-7,698.89-3,060.75

Finding the Fourth Proportional to 5,579.15, 7,698.89 and 3,060.75

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Solution

The fourth proportional to 5,579.15, 7,698.89 and 3,060.75 is: 4,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.15 : 7,698.89 = 3,060.75 : x
  2. Step 2: Convert to fraction form
    5,579.15/7,698.89 = 3,060.75/x
  3. Step 3: Cross multiply
    5,579.15x = 7,698.89 × 3,060.75
  4. Step 4: Simplify right side
    5,579.15x = 23,564,362.26
  5. Step 5: Solve for x
    x = 23,564,362.26/5,579.15
  6. Step 6: Final answer
    x = 4,223.65

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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.