Home / 5,040.65-7,559.75-1,577.90

Finding the Fourth Proportional to 5,040.65, 7,559.75 and 1,577.90

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Solution

The fourth proportional to 5,040.65, 7,559.75 and 1,577.90 is: 2,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.65 : 7,559.75 = 1,577.90 : x
  2. Step 2: Convert to fraction form
    5,040.65/7,559.75 = 1,577.90/x
  3. Step 3: Cross multiply
    5,040.65x = 7,559.75 × 1,577.90
  4. Step 4: Simplify right side
    5,040.65x = 11,928,552.37
  5. Step 5: Solve for x
    x = 11,928,552.37/5,040.65
  6. Step 6: Final answer
    x = 2,366.47

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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.