Home / 7,589.89-11,386.74-2,117.89

Finding the Fourth Proportional to 7,589.89, 11,386.74 and 2,117.89

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Solution

The fourth proportional to 7,589.89, 11,386.74 and 2,117.89 is: 3,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.89 : 11,386.74 = 2,117.89 : x
  2. Step 2: Convert to fraction form
    7,589.89/11,386.74 = 2,117.89/x
  3. Step 3: Cross multiply
    7,589.89x = 11,386.74 × 2,117.89
  4. Step 4: Simplify right side
    7,589.89x = 24,115,862.78
  5. Step 5: Solve for x
    x = 24,115,862.78/7,589.89
  6. Step 6: Final answer
    x = 3,177.37

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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.