Home / 5,540.04-7,643.00-3,385.49

Finding the Fourth Proportional to 5,540.04, 7,643.00 and 3,385.49

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Solution

The fourth proportional to 5,540.04, 7,643.00 and 3,385.49 is: 4,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.04 : 7,643.00 = 3,385.49 : x
  2. Step 2: Convert to fraction form
    5,540.04/7,643.00 = 3,385.49/x
  3. Step 3: Cross multiply
    5,540.04x = 7,643.00 × 3,385.49
  4. Step 4: Simplify right side
    5,540.04x = 25,875,244.93
  5. Step 5: Solve for x
    x = 25,875,244.93/5,540.04
  6. Step 6: Final answer
    x = 4,670.59

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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.