Home / 5,219.05-7,827.72-1,709.01

Finding the Fourth Proportional to 5,219.05, 7,827.72 and 1,709.01

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Solution

The fourth proportional to 5,219.05, 7,827.72 and 1,709.01 is: 2,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.05 : 7,827.72 = 1,709.01 : x
  2. Step 2: Convert to fraction form
    5,219.05/7,827.72 = 1,709.01/x
  3. Step 3: Cross multiply
    5,219.05x = 7,827.72 × 1,709.01
  4. Step 4: Simplify right side
    5,219.05x = 13,377,632.95
  5. Step 5: Solve for x
    x = 13,377,632.95/5,219.05
  6. Step 6: Final answer
    x = 2,563.23

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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.