Home / 8,783.67-13,157.19-4,107.72

Finding the Fourth Proportional to 8,783.67, 13,157.19 and 4,107.72

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Solution

The fourth proportional to 8,783.67, 13,157.19 and 4,107.72 is: 6,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.67 : 13,157.19 = 4,107.72 : x
  2. Step 2: Convert to fraction form
    8,783.67/13,157.19 = 4,107.72/x
  3. Step 3: Cross multiply
    8,783.67x = 13,157.19 × 4,107.72
  4. Step 4: Simplify right side
    8,783.67x = 54,046,052.51
  5. Step 5: Solve for x
    x = 54,046,052.51/8,783.67
  6. Step 6: Final answer
    x = 6,153.01

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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.