Home / 7,707.88-11,564.89-4,589.35

Finding the Fourth Proportional to 7,707.88, 11,564.89 and 4,589.35

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Solution

The fourth proportional to 7,707.88, 11,564.89 and 4,589.35 is: 6,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.88 : 11,564.89 = 4,589.35 : x
  2. Step 2: Convert to fraction form
    7,707.88/11,564.89 = 4,589.35/x
  3. Step 3: Cross multiply
    7,707.88x = 11,564.89 × 4,589.35
  4. Step 4: Simplify right side
    7,707.88x = 53,075,287.54
  5. Step 5: Solve for x
    x = 53,075,287.54/7,707.88
  6. Step 6: Final answer
    x = 6,885.85

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1.5x scale

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.