Home / 5,009.36-7,515.93-2,087.42

Finding the Fourth Proportional to 5,009.36, 7,515.93 and 2,087.42

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Solution

The fourth proportional to 5,009.36, 7,515.93 and 2,087.42 is: 3,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.36 : 7,515.93 = 2,087.42 : x
  2. Step 2: Convert to fraction form
    5,009.36/7,515.93 = 2,087.42/x
  3. Step 3: Cross multiply
    5,009.36x = 7,515.93 × 2,087.42
  4. Step 4: Simplify right side
    5,009.36x = 15,688,902.60
  5. Step 5: Solve for x
    x = 15,688,902.60/5,009.36
  6. Step 6: Final answer
    x = 3,131.92

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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.