Home / 5,087.43-7,631.61-1,577.46

Finding the Fourth Proportional to 5,087.43, 7,631.61 and 1,577.46

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Solution

The fourth proportional to 5,087.43, 7,631.61 and 1,577.46 is: 2,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.43 : 7,631.61 = 1,577.46 : x
  2. Step 2: Convert to fraction form
    5,087.43/7,631.61 = 1,577.46/x
  3. Step 3: Cross multiply
    5,087.43x = 7,631.61 × 1,577.46
  4. Step 4: Simplify right side
    5,087.43x = 12,038,559.51
  5. Step 5: Solve for x
    x = 12,038,559.51/5,087.43
  6. Step 6: Final answer
    x = 2,366.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.