Home / 7,165.08-10,748.03-1,899.95

Finding the Fourth Proportional to 7,165.08, 10,748.03 and 1,899.95

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Solution

The fourth proportional to 7,165.08, 10,748.03 and 1,899.95 is: 2,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.08 : 10,748.03 = 1,899.95 : x
  2. Step 2: Convert to fraction form
    7,165.08/10,748.03 = 1,899.95/x
  3. Step 3: Cross multiply
    7,165.08x = 10,748.03 × 1,899.95
  4. Step 4: Simplify right side
    7,165.08x = 20,420,656.36
  5. Step 5: Solve for x
    x = 20,420,656.36/7,165.08
  6. Step 6: Final answer
    x = 2,850.02

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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.