Home / 5,679.10-8,519.06-1,783.81

Finding the Fourth Proportional to 5,679.10, 8,519.06 and 1,783.81

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Solution

The fourth proportional to 5,679.10, 8,519.06 and 1,783.81 is: 2,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.10 : 8,519.06 = 1,783.81 : x
  2. Step 2: Convert to fraction form
    5,679.10/8,519.06 = 1,783.81/x
  3. Step 3: Cross multiply
    5,679.10x = 8,519.06 × 1,783.81
  4. Step 4: Simplify right side
    5,679.10x = 15,196,384.42
  5. Step 5: Solve for x
    x = 15,196,384.42/5,679.10
  6. Step 6: Final answer
    x = 2,675.84

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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.