Home / 7,190.14-10,784.48-2,509.70

Finding the Fourth Proportional to 7,190.14, 10,784.48 and 2,509.70

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Solution

The fourth proportional to 7,190.14, 10,784.48 and 2,509.70 is: 3,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.14 : 10,784.48 = 2,509.70 : x
  2. Step 2: Convert to fraction form
    7,190.14/10,784.48 = 2,509.70/x
  3. Step 3: Cross multiply
    7,190.14x = 10,784.48 × 2,509.70
  4. Step 4: Simplify right side
    7,190.14x = 27,065,809.46
  5. Step 5: Solve for x
    x = 27,065,809.46/7,190.14
  6. Step 6: Final answer
    x = 3,764.30

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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.