Home / 7,189.36-10,785.02-2,508.67

Finding the Fourth Proportional to 7,189.36, 10,785.02 and 2,508.67

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Solution

The fourth proportional to 7,189.36, 10,785.02 and 2,508.67 is: 3,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.36 : 10,785.02 = 2,508.67 : x
  2. Step 2: Convert to fraction form
    7,189.36/10,785.02 = 2,508.67/x
  3. Step 3: Cross multiply
    7,189.36x = 10,785.02 × 2,508.67
  4. Step 4: Simplify right side
    7,189.36x = 27,056,057.06
  5. Step 5: Solve for x
    x = 27,056,057.06/7,189.36
  6. Step 6: Final answer
    x = 3,763.35

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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.