Home / 5,267.72-7,903.74-3,187.64

Finding the Fourth Proportional to 5,267.72, 7,903.74 and 3,187.64

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Solution

The fourth proportional to 5,267.72, 7,903.74 and 3,187.64 is: 4,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.72 : 7,903.74 = 3,187.64 : x
  2. Step 2: Convert to fraction form
    5,267.72/7,903.74 = 3,187.64/x
  3. Step 3: Cross multiply
    5,267.72x = 7,903.74 × 3,187.64
  4. Step 4: Simplify right side
    5,267.72x = 25,194,277.77
  5. Step 5: Solve for x
    x = 25,194,277.77/5,267.72
  6. Step 6: Final answer
    x = 4,782.77

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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.