Home / 5,911.91-8,870.55-2,214.42

Finding the Fourth Proportional to 5,911.91, 8,870.55 and 2,214.42

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Solution

The fourth proportional to 5,911.91, 8,870.55 and 2,214.42 is: 3,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.91 : 8,870.55 = 2,214.42 : x
  2. Step 2: Convert to fraction form
    5,911.91/8,870.55 = 2,214.42/x
  3. Step 3: Cross multiply
    5,911.91x = 8,870.55 × 2,214.42
  4. Step 4: Simplify right side
    5,911.91x = 19,643,123.33
  5. Step 5: Solve for x
    x = 19,643,123.33/5,911.91
  6. Step 6: Final answer
    x = 3,322.64

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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.