Home / 7,559.58-11,315.10-4,040.78

Finding the Fourth Proportional to 7,559.58, 11,315.10 and 4,040.78

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Solution

The fourth proportional to 7,559.58, 11,315.10 and 4,040.78 is: 6,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.58 : 11,315.10 = 4,040.78 : x
  2. Step 2: Convert to fraction form
    7,559.58/11,315.10 = 4,040.78/x
  3. Step 3: Cross multiply
    7,559.58x = 11,315.10 × 4,040.78
  4. Step 4: Simplify right side
    7,559.58x = 45,721,829.78
  5. Step 5: Solve for x
    x = 45,721,829.78/7,559.58
  6. Step 6: Final answer
    x = 6,048.20

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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.