Home / 7,188.70-10,784.42-2,510.06

Finding the Fourth Proportional to 7,188.70, 10,784.42 and 2,510.06

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Solution

The fourth proportional to 7,188.70, 10,784.42 and 2,510.06 is: 3,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.70 : 10,784.42 = 2,510.06 : x
  2. Step 2: Convert to fraction form
    7,188.70/10,784.42 = 2,510.06/x
  3. Step 3: Cross multiply
    7,188.70x = 10,784.42 × 2,510.06
  4. Step 4: Simplify right side
    7,188.70x = 27,069,498.32
  5. Step 5: Solve for x
    x = 27,069,498.32/7,188.70
  6. Step 6: Final answer
    x = 3,765.56

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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.