Home / 8,565.12-11,816.40-5,206.68

Finding the Fourth Proportional to 8,565.12, 11,816.40 and 5,206.68

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Solution

The fourth proportional to 8,565.12, 11,816.40 and 5,206.68 is: 7,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.12 : 11,816.40 = 5,206.68 : x
  2. Step 2: Convert to fraction form
    8,565.12/11,816.40 = 5,206.68/x
  3. Step 3: Cross multiply
    8,565.12x = 11,816.40 × 5,206.68
  4. Step 4: Simplify right side
    8,565.12x = 61,524,213.55
  5. Step 5: Solve for x
    x = 61,524,213.55/8,565.12
  6. Step 6: Final answer
    x = 7,183.11

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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.