Home / 6,637.80-9,159.44-3,805.94

Finding the Fourth Proportional to 6,637.80, 9,159.44 and 3,805.94

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Solution

The fourth proportional to 6,637.80, 9,159.44 and 3,805.94 is: 5,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.80 : 9,159.44 = 3,805.94 : x
  2. Step 2: Convert to fraction form
    6,637.80/9,159.44 = 3,805.94/x
  3. Step 3: Cross multiply
    6,637.80x = 9,159.44 × 3,805.94
  4. Step 4: Simplify right side
    6,637.80x = 34,860,214.25
  5. Step 5: Solve for x
    x = 34,860,214.25/6,637.80
  6. Step 6: Final answer
    x = 5,251.77

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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.