Home / 5,412.12-8,114.58-1,948.92

Finding the Fourth Proportional to 5,412.12, 8,114.58 and 1,948.92

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Solution

The fourth proportional to 5,412.12, 8,114.58 and 1,948.92 is: 2,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.12 : 8,114.58 = 1,948.92 : x
  2. Step 2: Convert to fraction form
    5,412.12/8,114.58 = 1,948.92/x
  3. Step 3: Cross multiply
    5,412.12x = 8,114.58 × 1,948.92
  4. Step 4: Simplify right side
    5,412.12x = 15,814,667.25
  5. Step 5: Solve for x
    x = 15,814,667.25/5,412.12
  6. Step 6: Final answer
    x = 2,922.08

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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.