Home / 7,189.32-10,785.35-2,510.67

Finding the Fourth Proportional to 7,189.32, 10,785.35 and 2,510.67

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Solution

The fourth proportional to 7,189.32, 10,785.35 and 2,510.67 is: 3,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.32 : 10,785.35 = 2,510.67 : x
  2. Step 2: Convert to fraction form
    7,189.32/10,785.35 = 2,510.67/x
  3. Step 3: Cross multiply
    7,189.32x = 10,785.35 × 2,510.67
  4. Step 4: Simplify right side
    7,189.32x = 27,078,454.68
  5. Step 5: Solve for x
    x = 27,078,454.68/7,189.32
  6. Step 6: Final answer
    x = 3,766.48

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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.