Home / 9,337.82-12,877.52-6,815.94

Finding the Fourth Proportional to 9,337.82, 12,877.52 and 6,815.94

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Solution

The fourth proportional to 9,337.82, 12,877.52 and 6,815.94 is: 9,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.82 : 12,877.52 = 6,815.94 : x
  2. Step 2: Convert to fraction form
    9,337.82/12,877.52 = 6,815.94/x
  3. Step 3: Cross multiply
    9,337.82x = 12,877.52 × 6,815.94
  4. Step 4: Simplify right side
    9,337.82x = 87,772,403.67
  5. Step 5: Solve for x
    x = 87,772,403.67/9,337.82
  6. Step 6: Final answer
    x = 9,399.67

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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.