Home / 5,980.50-8,260.55-4,219.97

Finding the Fourth Proportional to 5,980.50, 8,260.55 and 4,219.97

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Solution

The fourth proportional to 5,980.50, 8,260.55 and 4,219.97 is: 5,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.50 : 8,260.55 = 4,219.97 : x
  2. Step 2: Convert to fraction form
    5,980.50/8,260.55 = 4,219.97/x
  3. Step 3: Cross multiply
    5,980.50x = 8,260.55 × 4,219.97
  4. Step 4: Simplify right side
    5,980.50x = 34,859,210.78
  5. Step 5: Solve for x
    x = 34,859,210.78/5,980.50
  6. Step 6: Final answer
    x = 5,828.81

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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.