Home / 5,184.60-7,776.99-1,289.01

Finding the Fourth Proportional to 5,184.60, 7,776.99 and 1,289.01

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Solution

The fourth proportional to 5,184.60, 7,776.99 and 1,289.01 is: 1,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.60 : 7,776.99 = 1,289.01 : x
  2. Step 2: Convert to fraction form
    5,184.60/7,776.99 = 1,289.01/x
  3. Step 3: Cross multiply
    5,184.60x = 7,776.99 × 1,289.01
  4. Step 4: Simplify right side
    5,184.60x = 10,024,617.88
  5. Step 5: Solve for x
    x = 10,024,617.88/5,184.60
  6. Step 6: Final answer
    x = 1,933.54

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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.