Home / 8,717.30-13,068.60-3,783.23

Finding the Fourth Proportional to 8,717.30, 13,068.60 and 3,783.23

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Solution

The fourth proportional to 8,717.30, 13,068.60 and 3,783.23 is: 5,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.30 : 13,068.60 = 3,783.23 : x
  2. Step 2: Convert to fraction form
    8,717.30/13,068.60 = 3,783.23/x
  3. Step 3: Cross multiply
    8,717.30x = 13,068.60 × 3,783.23
  4. Step 4: Simplify right side
    8,717.30x = 49,441,454.24
  5. Step 5: Solve for x
    x = 49,441,454.24/8,717.30
  6. Step 6: Final answer
    x = 5,671.65

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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.