Home / 5,009.85-7,515.18-2,090.07

Finding the Fourth Proportional to 5,009.85, 7,515.18 and 2,090.07

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Solution

The fourth proportional to 5,009.85, 7,515.18 and 2,090.07 is: 3,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.85 : 7,515.18 = 2,090.07 : x
  2. Step 2: Convert to fraction form
    5,009.85/7,515.18 = 2,090.07/x
  3. Step 3: Cross multiply
    5,009.85x = 7,515.18 × 2,090.07
  4. Step 4: Simplify right side
    5,009.85x = 15,707,252.26
  5. Step 5: Solve for x
    x = 15,707,252.26/5,009.85
  6. Step 6: Final answer
    x = 3,135.27

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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.