Home / 8,469.81-11,688.30-4,884.75

Finding the Fourth Proportional to 8,469.81, 11,688.30 and 4,884.75

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Solution

The fourth proportional to 8,469.81, 11,688.30 and 4,884.75 is: 6,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.81 : 11,688.30 = 4,884.75 : x
  2. Step 2: Convert to fraction form
    8,469.81/11,688.30 = 4,884.75/x
  3. Step 3: Cross multiply
    8,469.81x = 11,688.30 × 4,884.75
  4. Step 4: Simplify right side
    8,469.81x = 57,094,423.43
  5. Step 5: Solve for x
    x = 57,094,423.43/8,469.81
  6. Step 6: Final answer
    x = 6,740.93

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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.