Home / 5,140.16-7,089.74-3,226.53

Finding the Fourth Proportional to 5,140.16, 7,089.74 and 3,226.53

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Solution

The fourth proportional to 5,140.16, 7,089.74 and 3,226.53 is: 4,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.16 : 7,089.74 = 3,226.53 : x
  2. Step 2: Convert to fraction form
    5,140.16/7,089.74 = 3,226.53/x
  3. Step 3: Cross multiply
    5,140.16x = 7,089.74 × 3,226.53
  4. Step 4: Simplify right side
    5,140.16x = 22,875,258.80
  5. Step 5: Solve for x
    x = 22,875,258.80/5,140.16
  6. Step 6: Final answer
    x = 4,450.31

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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.