Home / 5,510.36-7,605.42-3,520.55

Finding the Fourth Proportional to 5,510.36, 7,605.42 and 3,520.55

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Solution

The fourth proportional to 5,510.36, 7,605.42 and 3,520.55 is: 4,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.36 : 7,605.42 = 3,520.55 : x
  2. Step 2: Convert to fraction form
    5,510.36/7,605.42 = 3,520.55/x
  3. Step 3: Cross multiply
    5,510.36x = 7,605.42 × 3,520.55
  4. Step 4: Simplify right side
    5,510.36x = 26,775,261.38
  5. Step 5: Solve for x
    x = 26,775,261.38/5,510.36
  6. Step 6: Final answer
    x = 4,859.08

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Half scale
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Double scale
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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.