Home / 4,921.16-7,406.51-3,695

Finding the Fourth Proportional to 4,921.16, 7,406.51 and 3,695

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Solution

The fourth proportional to 4,921.16, 7,406.51 and 3,695 is: 5,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.16 : 7,406.51 = 3,695 : x
  2. Step 2: Convert to fraction form
    4,921.16/7,406.51 = 3,695/x
  3. Step 3: Cross multiply
    4,921.16x = 7,406.51 × 3,695
  4. Step 4: Simplify right side
    4,921.16x = 27,367,054.45
  5. Step 5: Solve for x
    x = 27,367,054.45/4,921.16
  6. Step 6: Final answer
    x = 5,561.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.