Home / 6,370.12-8,788.80-3,716.92

Finding the Fourth Proportional to 6,370.12, 8,788.80 and 3,716.92

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Solution

The fourth proportional to 6,370.12, 8,788.80 and 3,716.92 is: 5,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.12 : 8,788.80 = 3,716.92 : x
  2. Step 2: Convert to fraction form
    6,370.12/8,788.80 = 3,716.92/x
  3. Step 3: Cross multiply
    6,370.12x = 8,788.80 × 3,716.92
  4. Step 4: Simplify right side
    6,370.12x = 32,667,266.50
  5. Step 5: Solve for x
    x = 32,667,266.50/6,370.12
  6. Step 6: Final answer
    x = 5,128.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.