Home / 5,322.97-7,345.70-2,900.32

Finding the Fourth Proportional to 5,322.97, 7,345.70 and 2,900.32

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Solution

The fourth proportional to 5,322.97, 7,345.70 and 2,900.32 is: 4,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.97 : 7,345.70 = 2,900.32 : x
  2. Step 2: Convert to fraction form
    5,322.97/7,345.70 = 2,900.32/x
  3. Step 3: Cross multiply
    5,322.97x = 7,345.70 × 2,900.32
  4. Step 4: Simplify right side
    5,322.97x = 21,304,849.45
  5. Step 5: Solve for x
    x = 21,304,849.45/5,322.97
  6. Step 6: Final answer
    x = 4,002.44

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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.