Home / 8,815.59-13,226.40-5,524.74

Finding the Fourth Proportional to 8,815.59, 13,226.40 and 5,524.74

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Solution

The fourth proportional to 8,815.59, 13,226.40 and 5,524.74 is: 8,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.59 : 13,226.40 = 5,524.74 : x
  2. Step 2: Convert to fraction form
    8,815.59/13,226.40 = 5,524.74/x
  3. Step 3: Cross multiply
    8,815.59x = 13,226.40 × 5,524.74
  4. Step 4: Simplify right side
    8,815.59x = 73,072,421.14
  5. Step 5: Solve for x
    x = 73,072,421.14/8,815.59
  6. Step 6: Final answer
    x = 8,289.00

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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.