Home / 8,783.64-13,176.68-3,855.60

Finding the Fourth Proportional to 8,783.64, 13,176.68 and 3,855.60

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Solution

The fourth proportional to 8,783.64, 13,176.68 and 3,855.60 is: 5,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.64 : 13,176.68 = 3,855.60 : x
  2. Step 2: Convert to fraction form
    8,783.64/13,176.68 = 3,855.60/x
  3. Step 3: Cross multiply
    8,783.64x = 13,176.68 × 3,855.60
  4. Step 4: Simplify right side
    8,783.64x = 50,803,988.13
  5. Step 5: Solve for x
    x = 50,803,988.13/8,783.64
  6. Step 6: Final answer
    x = 5,783.93

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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.