Home / 5,776.80-7,970.49-3,537.85

Finding the Fourth Proportional to 5,776.80, 7,970.49 and 3,537.85

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Solution

The fourth proportional to 5,776.80, 7,970.49 and 3,537.85 is: 4,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.80 : 7,970.49 = 3,537.85 : x
  2. Step 2: Convert to fraction form
    5,776.80/7,970.49 = 3,537.85/x
  3. Step 3: Cross multiply
    5,776.80x = 7,970.49 × 3,537.85
  4. Step 4: Simplify right side
    5,776.80x = 28,198,398.05
  5. Step 5: Solve for x
    x = 28,198,398.05/5,776.80
  6. Step 6: Final answer
    x = 4,881.32

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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.