Home / 7,465.83-11,199.14-1,919.21

Finding the Fourth Proportional to 7,465.83, 11,199.14 and 1,919.21

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Solution

The fourth proportional to 7,465.83, 11,199.14 and 1,919.21 is: 2,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.83 : 11,199.14 = 1,919.21 : x
  2. Step 2: Convert to fraction form
    7,465.83/11,199.14 = 1,919.21/x
  3. Step 3: Cross multiply
    7,465.83x = 11,199.14 × 1,919.21
  4. Step 4: Simplify right side
    7,465.83x = 21,493,501.48
  5. Step 5: Solve for x
    x = 21,493,501.48/7,465.83
  6. Step 6: Final answer
    x = 2,878.92

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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.