Home / 5,417.39-7,477.24-3,179.36

Finding the Fourth Proportional to 5,417.39, 7,477.24 and 3,179.36

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Solution

The fourth proportional to 5,417.39, 7,477.24 and 3,179.36 is: 4,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.39 : 7,477.24 = 3,179.36 : x
  2. Step 2: Convert to fraction form
    5,417.39/7,477.24 = 3,179.36/x
  3. Step 3: Cross multiply
    5,417.39x = 7,477.24 × 3,179.36
  4. Step 4: Simplify right side
    5,417.39x = 23,772,837.77
  5. Step 5: Solve for x
    x = 23,772,837.77/5,417.39
  6. Step 6: Final answer
    x = 4,388.25

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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.