Home / 5,081.80-7,623.52-1,570.98

Finding the Fourth Proportional to 5,081.80, 7,623.52 and 1,570.98

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Solution

The fourth proportional to 5,081.80, 7,623.52 and 1,570.98 is: 2,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.80 : 7,623.52 = 1,570.98 : x
  2. Step 2: Convert to fraction form
    5,081.80/7,623.52 = 1,570.98/x
  3. Step 3: Cross multiply
    5,081.80x = 7,623.52 × 1,570.98
  4. Step 4: Simplify right side
    5,081.80x = 11,976,389.59
  5. Step 5: Solve for x
    x = 11,976,389.59/5,081.80
  6. Step 6: Final answer
    x = 2,356.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.