Home / 5,322.60-7,345.08-2,964.72

Finding the Fourth Proportional to 5,322.60, 7,345.08 and 2,964.72

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Solution

The fourth proportional to 5,322.60, 7,345.08 and 2,964.72 is: 4,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.60 : 7,345.08 = 2,964.72 : x
  2. Step 2: Convert to fraction form
    5,322.60/7,345.08 = 2,964.72/x
  3. Step 3: Cross multiply
    5,322.60x = 7,345.08 × 2,964.72
  4. Step 4: Simplify right side
    5,322.60x = 21,776,105.58
  5. Step 5: Solve for x
    x = 21,776,105.58/5,322.60
  6. Step 6: Final answer
    x = 4,091.25

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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.