Home / 7,445.92-11,168.58-1,899.40

Finding the Fourth Proportional to 7,445.92, 11,168.58 and 1,899.40

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Solution

The fourth proportional to 7,445.92, 11,168.58 and 1,899.40 is: 2,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.92 : 11,168.58 = 1,899.40 : x
  2. Step 2: Convert to fraction form
    7,445.92/11,168.58 = 1,899.40/x
  3. Step 3: Cross multiply
    7,445.92x = 11,168.58 × 1,899.40
  4. Step 4: Simplify right side
    7,445.92x = 21,213,600.85
  5. Step 5: Solve for x
    x = 21,213,600.85/7,445.92
  6. Step 6: Final answer
    x = 2,849.02

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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.