Home / 7,585.90-11,381.09-3,890.72

Finding the Fourth Proportional to 7,585.90, 11,381.09 and 3,890.72

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Solution

The fourth proportional to 7,585.90, 11,381.09 and 3,890.72 is: 5,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.90 : 11,381.09 = 3,890.72 : x
  2. Step 2: Convert to fraction form
    7,585.90/11,381.09 = 3,890.72/x
  3. Step 3: Cross multiply
    7,585.90x = 11,381.09 × 3,890.72
  4. Step 4: Simplify right side
    7,585.90x = 44,280,634.48
  5. Step 5: Solve for x
    x = 44,280,634.48/7,585.90
  6. Step 6: Final answer
    x = 5,837.23

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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.