Home / 5,202.51-7,182.89-3,215.98

Finding the Fourth Proportional to 5,202.51, 7,182.89 and 3,215.98

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Solution

The fourth proportional to 5,202.51, 7,182.89 and 3,215.98 is: 4,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.51 : 7,182.89 = 3,215.98 : x
  2. Step 2: Convert to fraction form
    5,202.51/7,182.89 = 3,215.98/x
  3. Step 3: Cross multiply
    5,202.51x = 7,182.89 × 3,215.98
  4. Step 4: Simplify right side
    5,202.51x = 23,100,030.58
  5. Step 5: Solve for x
    x = 23,100,030.58/5,202.51
  6. Step 6: Final answer
    x = 4,440.17

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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.